task_name string | initial_board string | solution string | title string | rules string | visual_elements null | rows int64 | cols int64 | initial_observation string | description string | task_type string | data_source string | difficulty string | hint string | missing int64 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
sudoku_0 | 4178526395631..287982.3.415834..5761156...9232793..548695.8317.728...35.3415..89. | 417852639563194287982637415834925761156748923279361548695283174728419356341576892 | sudoku_0 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 4 1 7 8 5 2 6 3 9
5 6 3 1 . . 2 8 7
9 8 2 . 3 . 4 1 5
8 3 4 . . 5 7 6 1
1 5 6 . . . 9 2 3
2 7 9 3 . . 5 4 8
6 9 5 . 8 3 1 7 .
7 2 8 . . . 3 5 .
3 4 1 5 . . 8 9 . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 417852639563194287982637415834925761156748923279361548695283174728419356341576892 #1 Hard (260)
Hidden Single: r5c6=8
Naked Pair: 6,7 in r39c6 => r68c6<>6
Naked Single: r6c6=1
Full House: r6c5=6
Hidden Single: r8c5=1
Bivalue Universal Grave + 1 => r8c4<>6, r8c4<>9
Naked Single: r8c4=4
Naked Single: r5c4=7
Full House: r5c5=4
Naked Single: r7c4=2
Full House: r7c9=4
Naked Single: r8c6=9
Full House: r8c9=6
Full House: r9c9=2
Naked Single: r3c4=6
Full House: r4c4=9
Full House: r3c6=7
Full House: r4c5=2
Naked Single: r2c5=9
Full House: r9c5=7
Full House: r2c6=4
Full House: r9c6=6
| 20 |
sudoku_1 | 362...8711478632598597214365.3...1..2..3..5979.....3..491635728625187943738492615 | 362954871147863259859721436583279164216348597974516382491635728625187943738492615 | sudoku_1 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 3 6 2 . . . 8 7 1
1 4 7 8 6 3 2 5 9
8 5 9 7 2 1 4 3 6
5 . 3 . . . 1 . .
2 . . 3 . . 5 9 7
9 . . . . . 3 . .
4 9 1 6 3 5 7 2 8
6 2 5 1 8 7 9 4 3
7 3 8 4 9 2 6 1 5 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 362954871147863259859721436583279164216348597974516382491635728625187943738492615 #1 Medium (160)
Naked Triple: 4,6,8 in r6c368 => r6c2<>8, r6c59<>4
Naked Single: r6c9=2
Full House: r4c9=4
Naked Single: r6c4=5
Naked Single: r4c5=7
Naked Single: r1c4=9
Full House: r4c4=2
Naked Single: r4c2=8
Naked Single: r6c5=1
Naked Single: r1c6=4
Full House: r1c5=5
Full House: r5c5=4
Naked Single: r4c8=6
Full House: r4c6=9
Full House: r6c8=8
Naked Single: r5c2=1
Full House: r6c2=7
Naked Single: r5c3=6
Full House: r5c6=8
Full House: r6c6=6
Full House: r6c3=4
| 20 |
sudoku_2 | 167245..3953187462824693715638472159712956348495...276..9..4..1.41.695.7..6....34 | 167245893953187462824693715638472159712956348495318276279534681341869527586721934 | sudoku_2 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 6 7 2 4 5 . . 3
9 5 3 1 8 7 4 6 2
8 2 4 6 9 3 7 1 5
6 3 8 4 7 2 1 5 9
7 1 2 9 5 6 3 4 8
4 9 5 . . . 2 7 6
. . 9 . . 4 . . 1
. 4 1 . 6 9 5 . 7
. . 6 . . . . 3 4 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 167245893953187462824693715638472159712956348495318276279534681341869527586721934 #1 Hard (260)
Hidden Single: r7c7=6
Hidden Single: r9c7=9
Full House: r1c7=8
Full House: r1c8=9
Naked Pair: 3,8 in r68c4 => r7c4<>3, r79c4<>8
Bivalue Universal Grave + 1 => r7c1<>3, r7c1<>5
Naked Single: r7c1=2
Naked Single: r7c5=3
Naked Single: r7c8=8
Full House: r8c8=2
Naked Single: r8c1=3
Full House: r9c1=5
Full House: r8c4=8
Naked Single: r6c5=1
Full House: r9c5=2
Naked Single: r7c2=7
Full House: r7c4=5
Full House: r9c2=8
Naked Single: r9c4=7
Full House: r6c4=3
Full House: r9c6=1
Full House: r6c6=8
| 20 |
sudoku_3 | ......3.8.81.9.546..9...712.1.654873538279461764831259426518937893...125175923684 | 257146398381792546649385712912654873538279461764831259426518937893467125175923684 | sudoku_3 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . . . . . . 3 . 8
. 8 1 . 9 . 5 4 6
. . 9 . . . 7 1 2
. 1 . 6 5 4 8 7 3
5 3 8 2 7 9 4 6 1
7 6 4 8 3 1 2 5 9
4 2 6 5 1 8 9 3 7
8 9 3 . . . 1 2 5
1 7 5 9 2 3 6 8 4 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 257146398381792546649385712912654873538279461764831259426518937893467125175923684 #1 Hard (200)
Full House: r1c8=9
Naked Single: r4c3=2
Full House: r1c3=7
Full House: r4c1=9
Hidden Single: r1c4=1
Hidden Single: r3c5=8
Bivalue Universal Grave + 1 => r1c6<>2, r1c6<>5
Naked Single: r1c6=6
Naked Single: r1c1=2
Naked Single: r1c5=4
Full House: r1c2=5
Full House: r8c5=6
Full House: r3c2=4
Naked Single: r3c6=5
Naked Single: r8c6=7
Full House: r2c6=2
Full House: r8c4=4
Naked Single: r2c1=3
Full House: r2c4=7
Full House: r3c4=3
Full House: r3c1=6
| 20 |
sudoku_4 | 83426.9...6981432..213..4..1724..6..94615.2..3856.21..697543812458921763213786549 | 834265971769814325521397486172439658946158237385672194697543812458921763213786549 | sudoku_4 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 8 3 4 2 6 . 9 . .
. 6 9 8 1 4 3 2 .
. 2 1 3 . . 4 . .
1 7 2 4 . . 6 . .
9 4 6 1 5 . 2 . .
3 8 5 6 . 2 1 . .
6 9 7 5 4 3 8 1 2
4 5 8 9 2 1 7 6 3
2 1 3 7 8 6 5 4 9 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 834265971769814325521397486172439658946158237385672194697543812458921763213786549 #1 Hard (240)
Hidden Single: r4c5=3
Hidden Single: r1c9=1
Hidden Single: r3c9=6
Hidden Single: r5c8=3
Hidden Single: r6c9=4
Hidden Single: r3c8=8
Bivalue Universal Grave + 1 => r3c6<>5, r3c6<>9
Naked Single: r3c6=7
Naked Single: r1c6=5
Full House: r3c5=9
Full House: r3c1=5
Full House: r1c8=7
Full House: r6c5=7
Full House: r2c1=7
Full House: r2c9=5
Full House: r6c8=9
Full House: r4c8=5
Naked Single: r5c6=8
Full House: r4c6=9
Full House: r4c9=8
Full House: r5c9=7
| 20 |
sudoku_5 | 169534278328671..47452986319128....6.83.....2.571....3871...325596312487234785169 | 169534278328671954745298631912853746683947512457126893871469325596312487234785169 | sudoku_5 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 6 9 5 3 4 2 7 8
3 2 8 6 7 1 . . 4
7 4 5 2 9 8 6 3 1
9 1 2 8 . . . . 6
. 8 3 . . . . . 2
. 5 7 1 . . . . 3
8 7 1 . . . 3 2 5
5 9 6 3 1 2 4 8 7
2 3 4 7 8 5 1 6 9 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 169534278328671954745298631912853746683947512457126893871469325596312487234785169 #1 Hard (240)
Hidden Single: r4c6=3
Hidden Single: r6c5=2
Hidden Single: r6c7=8
Hidden Single: r5c8=1
Hidden Single: r4c7=7
Hidden Single: r5c6=7
Bivalue Universal Grave + 1 => r5c5<>5, r5c5<>6
Naked Single: r5c5=4
Naked Single: r4c5=5
Full House: r7c5=6
Full House: r4c8=4
Naked Single: r5c1=6
Full House: r6c1=4
Naked Single: r5c4=9
Full House: r5c7=5
Full House: r6c8=9
Full House: r6c6=6
Full House: r7c6=9
Full House: r7c4=4
Full House: r2c7=9
Full House: r2c8=5
| 20 |
sudoku_6 | 815296437.6..1...5.7..3..61798541326126379..4453628179981.6...354798361263215...8 | 815296437369417285274835961798541326126379854453628179981762543547983612632154798 | sudoku_6 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 8 1 5 2 9 6 4 3 7
. 6 . . 1 . . . 5
. 7 . . 3 . . 6 1
7 9 8 5 4 1 3 2 6
1 2 6 3 7 9 . . 4
4 5 3 6 2 8 1 7 9
9 8 1 . 6 . . . 3
5 4 7 9 8 3 6 1 2
6 3 2 1 5 . . . 8 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 815296437369417285274835961798541326126379854453628179981762543547983612632154798 #1 Hard (210)
Naked Single: r3c1=2
Full House: r2c1=3
Hidden Single: r3c6=5
Hidden Single: r7c6=2
Hidden Single: r2c7=2
Bivalue Universal Grave + 1 => r2c4<>7, r2c4<>8
Naked Single: r2c4=4
Naked Single: r2c3=9
Full House: r3c3=4
Naked Single: r2c6=7
Full House: r3c4=8
Full House: r7c4=7
Full House: r2c8=8
Full House: r9c6=4
Full House: r3c7=9
Naked Single: r7c7=5
Full House: r7c8=4
Naked Single: r5c8=5
Full House: r9c8=9
Full House: r9c7=7
Full House: r5c7=8
| 20 |
sudoku_7 | 1.62.35.752.7.63.1..7591826215378469...1547827..629135952437618...9.5274.7.8.2953 | 196283547528746391347591826215378469639154782784629135952437618863915274471862953 | sudoku_7 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 . 6 2 . 3 5 . 7
5 2 . 7 . 6 3 . 1
. . 7 5 9 1 8 2 6
2 1 5 3 7 8 4 6 9
. . . 1 5 4 7 8 2
7 . . 6 2 9 1 3 5
9 5 2 4 3 7 6 1 8
. . . 9 . 5 2 7 4
. 7 . 8 . 2 9 5 3 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 196283547528746391347591826215378469639154782784629135952437618863915274471862953 #1 Hard (240)
Hidden Single: r8c1=8
Locked Candidates Type 2 (Claiming): 4 in r3 => r1c2,r2c3<>4
Bivalue Universal Grave + 1 => r5c2<>6, r5c2<>9
Naked Single: r5c2=3
Naked Single: r3c2=4
Full House: r3c1=3
Naked Single: r5c1=6
Full House: r5c3=9
Full House: r9c1=4
Naked Single: r8c2=6
Naked Single: r6c2=8
Full House: r1c2=9
Full House: r2c3=8
Full House: r6c3=4
Naked Single: r9c3=1
Full House: r8c3=3
Full House: r8c5=1
Full House: r9c5=6
Naked Single: r1c8=4
Full House: r1c5=8
Full House: r2c5=4
Full House: r2c8=9
| 20 |
sudoku_8 | 7819456325368274914923..578847192356159673284623458917918..47....4........5....49 | 781945632536827491492316578847192356159673284623458917918564723374289165265731849 | sudoku_8 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 7 8 1 9 4 5 6 3 2
5 3 6 8 2 7 4 9 1
4 9 2 3 . . 5 7 8
8 4 7 1 9 2 3 5 6
1 5 9 6 7 3 2 8 4
6 2 3 4 5 8 9 1 7
9 1 8 . . 4 7 . .
. . 4 . . . . . .
. . 5 . . . . 4 9 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 781945632536827491492316578847192356159673284623458917918564723374289165265731849 #1 Hard (360)
Hidden Single: r8c6=9
Hidden Pair: 1,8 in r8c57 => r8c5<>3, r8c5<>6
Uniqueness Test 1: 1/6 in r3c56,r9c56 => r9c5<>1, r9c5<>6
Bivalue Universal Grave + 1 => r8c4<>5, r8c4<>7
Naked Single: r8c4=2
Naked Single: r7c4=5
Full House: r9c4=7
Naked Single: r8c1=3
Full House: r9c1=2
Naked Single: r8c8=6
Full House: r7c8=2
Naked Single: r7c9=3
Full House: r8c9=5
Full House: r7c5=6
Naked Single: r9c2=6
Full House: r8c2=7
Naked Single: r3c5=1
Full House: r3c6=6
Full House: r9c6=1
Naked Single: r8c5=8
Full House: r8c7=1
Full House: r9c7=8
Full House: r9c5=3
| 20 |
sudoku_9 | 726193854895467231314825967.7.91.....8.67.....4.358...1385467..457289316269731.48 | 726193854895467231314825967673912485582674193941358672138546729457289316269731548 | sudoku_9 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 7 2 6 1 9 3 8 5 4
8 9 5 4 6 7 2 3 1
3 1 4 8 2 5 9 6 7
. 7 . 9 1 . . . .
. 8 . 6 7 . . . .
. 4 . 3 5 8 . . .
1 3 8 5 4 6 7 . .
4 5 7 2 8 9 3 1 6
2 6 9 7 3 1 . 4 8 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 726193854895467231314825967673912485582674193941358672138546729457289316269731548 #1 Hard (260)
Full House: r9c7=5
Hidden Single: r6c8=7
Hidden Single: r4c8=8
Naked Pair: 2,9 in r5c8,r6c9 => r45c9<>2, r5c9<>9
Bivalue Universal Grave + 1 => r5c3<>1, r5c3<>3
Naked Single: r5c3=2
Naked Single: r4c3=3
Full House: r6c3=1
Naked Single: r5c6=4
Full House: r4c6=2
Naked Single: r5c8=9
Full House: r7c8=2
Full House: r7c9=9
Naked Single: r4c9=5
Naked Single: r6c7=6
Naked Single: r5c7=1
Full House: r4c7=4
Full House: r4c1=6
Naked Single: r5c1=5
Full House: r5c9=3
Full House: r6c9=2
Full House: r6c1=9
| 20 |
sudoku_10 | ..2197834..4358269983246571..5962387327485196...731425...57361....81974....62495. | 562197834174358269983246571415962387327485196698731425849573612256819743731624958 | sudoku_10 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . . 2 1 9 7 8 3 4
. . 4 3 5 8 2 6 9
9 8 3 2 4 6 5 7 1
. . 5 9 6 2 3 8 7
3 2 7 4 8 5 1 9 6
. . . 7 3 1 4 2 5
. . . 5 7 3 6 1 .
. . . 8 1 9 7 4 .
. . . 6 2 4 9 5 . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 562197834174358269983246571415962387327485196698731425849573612256819743731624958 #1 Hard (194)
Naked Single: r8c3=6
Hidden Single: r9c3=1
Bivalue Universal Grave + 1 => r7c1<>2, r7c1<>4
Naked Single: r7c1=8
Naked Single: r6c1=6
Naked Single: r7c3=9
Full House: r6c3=8
Full House: r6c2=9
Naked Single: r7c9=2
Full House: r7c2=4
Naked Single: r9c1=7
Naked Single: r1c1=5
Full House: r1c2=6
Naked Single: r8c9=3
Full House: r9c9=8
Full House: r9c2=3
Naked Single: r4c2=1
Full House: r4c1=4
Naked Single: r2c1=1
Full House: r8c1=2
Full House: r8c2=5
Full House: r2c2=7
| 21 |
sudoku_11 | 9213876547842561933659417825.76....8..24....7..6.....9473195826618724935259...471 | 921387654784256193365941782537619248192438567846572319473195826618724935259863471 | sudoku_11 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 9 2 1 3 8 7 6 5 4
7 8 4 2 5 6 1 9 3
3 6 5 9 4 1 7 8 2
5 . 7 6 . . . . 8
. . 2 4 . . . . 7
. . 6 . . . . . 9
4 7 3 1 9 5 8 2 6
6 1 8 7 2 4 9 3 5
2 5 9 . . . 4 7 1 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 921387654784256193365941782537619248192438567846572319473195826618724935259863471 #1 Hard (214)
Naked Single: r9c4=8
Full House: r6c4=5
Naked Single: r9c6=3
Full House: r9c5=6
Hidden Single: r5c8=6
Hidden Single: r5c7=5
Hidden Single: r6c5=7
Bivalue Universal Grave + 1 => r4c2<>4, r4c2<>9
Naked Single: r4c2=3
Naked Single: r4c5=1
Full House: r5c5=3
Naked Single: r4c7=2
Full House: r6c7=3
Naked Single: r5c2=9
Full House: r6c2=4
Naked Single: r4c8=4
Full House: r4c6=9
Full House: r6c8=1
Naked Single: r5c6=8
Full House: r5c1=1
Full House: r6c1=8
Full House: r6c6=2
| 21 |
sudoku_12 | 8..6917533917526486753481929.61..5.75.7..631913.975.64.1..6.9.5259817436.6.5.9..1 | 824691753391752648675348192946183527587426319132975864713264985259817436468539271 | sudoku_12 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 8 . . 6 9 1 7 5 3
3 9 1 7 5 2 6 4 8
6 7 5 3 4 8 1 9 2
9 . 6 1 . . 5 . 7
5 . 7 . . 6 3 1 9
1 3 . 9 7 5 . 6 4
. 1 . . 6 . 9 . 5
2 5 9 8 1 7 4 3 6
. 6 . 5 . 9 . . 1 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 824691753391752648675348192946183527587426319132975864713264985259817436468539271 #1 Medium (144)
Locked Candidates Type 1 (Pointing): 4 in b4 => r1c2<>4
Naked Single: r1c2=2
Full House: r1c3=4
Hidden Single: r6c3=2
Full House: r6c7=8
Full House: r4c8=2
Full House: r9c7=2
Naked Single: r9c5=3
Naked Single: r4c5=8
Full House: r5c5=2
Naked Single: r7c6=4
Full House: r4c6=3
Full House: r4c2=4
Full House: r5c4=4
Full House: r7c4=2
Full House: r5c2=8
Naked Single: r9c3=8
Full House: r7c3=3
Naked Single: r7c1=7
Full House: r7c8=8
Full House: r9c8=7
Full House: r9c1=4
| 21 |
sudoku_13 | 871...256935.2.841264...9731569..427493.1.685782...319528...794617..9538349.75162 | 871394256935627841264581973156938427493712685782456319528163794617249538349875162 | sudoku_13 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 8 7 1 . . . 2 5 6
9 3 5 . 2 . 8 4 1
2 6 4 . . . 9 7 3
1 5 6 9 . . 4 2 7
4 9 3 . 1 . 6 8 5
7 8 2 . . . 3 1 9
5 2 8 . . . 7 9 4
6 1 7 . . 9 5 3 8
3 4 9 . 7 5 1 6 2 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 871394256935627841264581973156938427493712685782456319528163794617249538349875162 #1 Hard (194)
Full House: r9c4=8
Naked Single: r8c5=4
Full House: r8c4=2
Naked Single: r5c4=7
Full House: r5c6=2
Naked Single: r2c4=6
Full House: r2c6=7
Hidden Single: r1c5=9
Bivalue Universal Grave + 1 => r7c6<>1, r7c6<>6
Naked Single: r7c6=3
Naked Single: r1c6=4
Full House: r1c4=3
Naked Single: r4c6=8
Full House: r4c5=3
Naked Single: r7c4=1
Full House: r7c5=6
Naked Single: r6c6=6
Full House: r3c6=1
Naked Single: r3c4=5
Full House: r3c5=8
Full House: r6c5=5
Full House: r6c4=4
| 21 |
sudoku_14 | 195684.7.862713...7439251..619842...328597...574361...28745...1456138729931276.4. | 195684273862713594743925168619842357328597416574361982287459631456138729931276845 | sudoku_14 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 9 5 6 8 4 . 7 .
8 6 2 7 1 3 . . .
7 4 3 9 2 5 1 . .
6 1 9 8 4 2 . . .
3 2 8 5 9 7 . . .
5 7 4 3 6 1 . . .
2 8 7 4 5 . . . 1
4 5 6 1 3 8 7 2 9
9 3 1 2 7 6 . 4 . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 195684273862713594743925168619842357328597416574361982287459631456138729931276845 #1 Hard (224)
Full House: r7c6=9
Hidden Single: r5c8=1
Hidden Single: r4c9=7
Hidden Single: r1c9=3
Full House: r1c7=2
Hidden Single: r6c9=2
Bivalue Universal Grave + 1 => r2c7<>4, r2c7<>9
Naked Single: r2c7=5
Naked Single: r2c8=9
Full House: r2c9=4
Naked Single: r4c7=3
Full House: r4c8=5
Naked Single: r9c7=8
Full House: r9c9=5
Naked Single: r6c8=8
Full House: r6c7=9
Naked Single: r5c9=6
Full House: r3c9=8
Full House: r3c8=6
Full House: r5c7=4
Full House: r7c7=6
Full House: r7c8=3
| 21 |
sudoku_15 | 167245..3953187462824693715638472159712956348495...276.....4..1.41.695.7..6....34 | 167245893953187462824693715638472159712956348495318276279534681341869527586721934 | sudoku_15 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 6 7 2 4 5 . . 3
9 5 3 1 8 7 4 6 2
8 2 4 6 9 3 7 1 5
6 3 8 4 7 2 1 5 9
7 1 2 9 5 6 3 4 8
4 9 5 . . . 2 7 6
. . . . . 4 . . 1
. 4 1 . 6 9 5 . 7
. . 6 . . . . 3 4 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 167245893953187462824693715638472159712956348495318276279534681341869527586721934 #1 Hard (264)
Full House: r7c3=9
Hidden Single: r7c7=6
Hidden Single: r9c7=9
Full House: r1c7=8
Full House: r1c8=9
Naked Pair: 3,8 in r68c4 => r7c4<>3, r79c4<>8
Bivalue Universal Grave + 1 => r7c1<>3, r7c1<>5
Naked Single: r7c1=2
Naked Single: r7c5=3
Naked Single: r7c8=8
Full House: r8c8=2
Naked Single: r8c1=3
Full House: r9c1=5
Full House: r8c4=8
Naked Single: r6c5=1
Full House: r9c5=2
Naked Single: r7c2=7
Full House: r7c4=5
Full House: r9c2=8
Naked Single: r9c4=7
Full House: r6c4=3
Full House: r9c6=1
Full House: r6c6=8
| 21 |
sudoku_16 | 1....793..9...3.17357.91.8.239768..17651342988145297639..31587.573486129.819723.. | 126847935498253617357691482239768541765134298814529763942315876573486129681972354 | sudoku_16 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 . . . . 7 9 3 .
. 9 . . . 3 . 1 7
3 5 7 . 9 1 . 8 .
2 3 9 7 6 8 . . 1
7 6 5 1 3 4 2 9 8
8 1 4 5 2 9 7 6 3
9 . . 3 1 5 8 7 .
5 7 3 4 8 6 1 2 9
. 8 1 9 7 2 3 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 126847935498253617357691482239768541765134298814529763942315876573486129681972354 #1 Hard (444)
Locked Candidates Type 1 (Pointing): 6 in b9 => r13c9<>6
Locked Candidates Type 2 (Claiming): 4 in r3 => r1c9,r2c7<>4
Naked Triple: 2,4,5 in r1c259 => r1c34<>2
Naked Triple: 4,5,6 in r2c157 => r2c34<>6
Bivalue Universal Grave + 1 => r9c9<>5, r9c9<>6
Naked Single: r9c9=4
Naked Single: r3c9=2
Naked Single: r7c9=6
Full House: r9c8=5
Full House: r9c1=6
Full House: r1c9=5
Full House: r4c8=4
Full House: r2c1=4
Full House: r4c7=5
Naked Single: r3c4=6
Full House: r3c7=4
Full House: r2c7=6
Naked Single: r7c3=2
Full House: r7c2=4
Full House: r1c2=2
Naked Single: r1c5=4
Full House: r2c5=5
Naked Single: r1c4=8
Full House: r1c3=6
Full House: r2c3=8
Full House: r2c4=2
| 21 |
sudoku_17 | ...921346124836759369754281.1349..62...318.97...26..13791582634...173928...649175 | 875921346124836759369754281513497862642318597987265413791582634456173928238649175 | sudoku_17 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . . . 9 2 1 3 4 6
1 2 4 8 3 6 7 5 9
3 6 9 7 5 4 2 8 1
. 1 3 4 9 . . 6 2
. . . 3 1 8 . 9 7
. . . 2 6 . . 1 3
7 9 1 5 8 2 6 3 4
. . . 1 7 3 9 2 8
. . . 6 4 9 1 7 5 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 875921346124836759369754281513497862642318597987265413791582634456173928238649175 #1 Medium (184)
Hidden Single: r4c6=7
Full House: r6c6=5
Hidden Single: r6c1=9
Hidden Single: r9c2=3
Naked Pair: 4,5 in r5c27 => r5c1<>4, r5c13<>5
Hidden Single: r8c1=4
Naked Single: r8c2=5
Full House: r8c3=6
Naked Single: r5c2=4
Naked Single: r5c3=2
Naked Single: r5c7=5
Full House: r5c1=6
Naked Single: r9c3=8
Full House: r9c1=2
Naked Single: r4c7=8
Full House: r4c1=5
Full House: r6c7=4
Full House: r1c1=8
Naked Single: r6c3=7
Full House: r1c3=5
Full House: r1c2=7
Full House: r6c2=8
| 21 |
sudoku_18 | 18.4567.335.872...67.193...293617485547389...816524..77619358..428761..99352486.. | 182456793359872164674193528293617485547389216816524937761935842428761359935248671 | sudoku_18 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 8 . 4 5 6 7 . 3
3 5 . 8 7 2 . . .
6 7 . 1 9 3 . . .
2 9 3 6 1 7 4 8 5
5 4 7 3 8 9 . . .
8 1 6 5 2 4 . . 7
7 6 1 9 3 5 8 . .
4 2 8 7 6 1 . . 9
9 3 5 2 4 8 6 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 182456793359872164674193528293617485547389216816524937761935842428761359935248671 #1 Hard (264)
Naked Single: r9c9=1
Full House: r9c8=7
Hidden Single: r3c9=8
Hidden Pair: 1,6 in r25c8 => r2c8<>4, r2c8<>9, r5c8<>2
Bivalue Universal Grave + 1 => r3c8<>4, r3c8<>5
Naked Single: r3c8=2
Naked Single: r1c8=9
Full House: r1c3=2
Naked Single: r3c3=4
Full House: r3c7=5
Full House: r2c3=9
Naked Single: r7c8=4
Full House: r7c9=2
Naked Single: r2c7=1
Naked Single: r6c8=3
Full House: r6c7=9
Naked Single: r8c7=3
Full House: r5c7=2
Full House: r8c8=5
Naked Single: r5c9=6
Full House: r2c9=4
Full House: r2c8=6
Full House: r5c8=1
| 21 |
sudoku_19 | 897543216...82957.52.671....52486.37...1526..46.937.5228539.761...215398319768425 | 897543216146829573523671984952486137738152649461937852285394761674215398319768425 | sudoku_19 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 8 9 7 5 4 3 2 1 6
. . . 8 2 9 5 7 .
5 2 . 6 7 1 . . .
. 5 2 4 8 6 . 3 7
. . . 1 5 2 6 . .
4 6 . 9 3 7 . 5 2
2 8 5 3 9 . 7 6 1
. . . 2 1 5 3 9 8
3 1 9 7 6 8 4 2 5 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 897543216146829573523671984952486137738152649461937852285394761674215398319768425 #1 Hard (244)
Full House: r7c6=4
Naked Pair: 3,4 in r2c2,r3c3 => r2c3<>3, r2c3<>4
Bivalue Universal Grave + 1 => r3c9<>3, r3c9<>9
Naked Single: r3c9=4
Naked Single: r2c9=3
Full House: r5c9=9
Naked Single: r3c3=3
Naked Single: r3c8=8
Full House: r3c7=9
Full House: r5c8=4
Naked Single: r2c2=4
Naked Single: r4c7=1
Full House: r4c1=9
Full House: r6c7=8
Full House: r6c3=1
Naked Single: r5c1=7
Naked Single: r5c3=8
Full House: r5c2=3
Full House: r8c2=7
Naked Single: r2c3=6
Full House: r2c1=1
Full House: r8c1=6
Full House: r8c3=4
| 21 |
sudoku_20 | 753416982642879315189532467..43.....3.81.......564....426981753831754...597263841 | 753416982642879315189532467914325678368197524275648139426981753831754296597263841 | sudoku_20 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 7 5 3 4 1 6 9 8 2
6 4 2 8 7 9 3 1 5
1 8 9 5 3 2 4 6 7
. . 4 3 . . . . .
3 . 8 1 . . . . .
. . 5 6 4 . . . .
4 2 6 9 8 1 7 5 3
8 3 1 7 5 4 . . .
5 9 7 2 6 3 8 4 1 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 753416982642879315189532467914325678368197524275648139426981753831754296597263841 #1 Hard (328)
Hidden Single: r6c8=3
Hidden Single: r5c9=4
Naked Pair: 2,9 in r4c15 => r4c78<>2, r4c89<>9
Naked Single: r4c8=7
Naked Pair: 2,9 in r5c58 => r5c7<>2
Bivalue Universal Grave + 1 => r4c7<>1, r4c7<>5
Naked Single: r4c7=6
Naked Single: r4c2=1
Naked Single: r4c9=8
Naked Single: r5c7=5
Naked Single: r8c7=2
Full House: r6c7=1
Naked Single: r6c2=7
Full House: r5c2=6
Naked Single: r4c6=5
Naked Single: r6c9=9
Full House: r5c8=2
Full House: r8c8=9
Full House: r8c9=6
Naked Single: r5c6=7
Full House: r6c6=8
Full House: r6c1=2
Full House: r5c5=9
Full House: r4c1=9
Full House: r4c5=2
| 22 |
sudoku_21 | ....7658363..5.7.....3..6..342195876986724351...863492829637145461582937573...268 | 194276583638951724257348619342195876986724351715863492829637145461582937573419268 | sudoku_21 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . . . . 7 6 5 8 3
6 3 . . 5 . 7 . .
. . . 3 . . 6 . .
3 4 2 1 9 5 8 7 6
9 8 6 7 2 4 3 5 1
. . . 8 6 3 4 9 2
8 2 9 6 3 7 1 4 5
4 6 1 5 8 2 9 3 7
5 7 3 . . . 2 6 8 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 194276583638951724257348619342195876986724351715863492829637145461582937573419268 #1 Hard (248)
Naked Single: r1c3=4
Naked Single: r2c3=8
Hidden Single: r3c6=8
Locked Candidates Type 2 (Claiming): 1 in r1 => r3c12<>1
Bivalue Universal Grave + 1 => r2c4<>2, r2c4<>4
Naked Single: r2c4=9
Naked Single: r1c4=2
Full House: r9c4=4
Naked Single: r2c6=1
Full House: r3c5=4
Full House: r9c5=1
Full House: r9c6=9
Naked Single: r2c9=4
Full House: r2c8=2
Full House: r3c9=9
Full House: r3c8=1
Naked Single: r1c1=1
Full House: r1c2=9
Naked Single: r3c2=5
Full House: r6c2=1
Naked Single: r6c1=7
Full House: r3c1=2
Full House: r3c3=7
Full House: r6c3=5
| 22 |
sudoku_22 | ...698173831574962...213485...427391213956847.9.381256...845..9958162734...73...8 | 524698173831574962769213485685427391213956847497381256372845619958162734146739528 | sudoku_22 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . . . 6 9 8 1 7 3
8 3 1 5 7 4 9 6 2
. . . 2 1 3 4 8 5
. . . 4 2 7 3 9 1
2 1 3 9 5 6 8 4 7
. 9 . 3 8 1 2 5 6
. . . 8 4 5 . . 9
9 5 8 1 6 2 7 3 4
. . . 7 3 . . . 8 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 524698173831574962769213485685427391213956847497381256372845619958162734146739528 #1 Hard (238)
Full House: r9c6=9
Naked Single: r7c7=6
Full House: r9c7=5
Hidden Single: r3c3=9
Hidden Single: r4c2=8
Hidden Single: r7c1=3
Hidden Single: r7c8=1
Full House: r9c8=2
Hidden Single: r9c1=1
Bivalue Universal Grave + 1 => r1c3<>2, r1c3<>5
Naked Single: r1c3=4
Naked Single: r1c1=5
Full House: r1c2=2
Naked Single: r6c3=7
Full House: r6c1=4
Naked Single: r9c3=6
Full House: r9c2=4
Naked Single: r4c1=6
Full House: r4c3=5
Full House: r7c3=2
Full House: r7c2=7
Full House: r3c1=7
Full House: r3c2=6
| 22 |
sudoku_23 | .7...31.6....627.9...1.7328197324685328756914654918273489671532...43589....28946. | 972843156813562749546197328197324685328756914654918273489671532261435897735289461 | sudoku_23 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . 7 . . . 3 1 . 6
. . . . 6 2 7 . 9
. . . 1 . 7 3 2 8
1 9 7 3 2 4 6 8 5
3 2 8 7 5 6 9 1 4
6 5 4 9 1 8 2 7 3
4 8 9 6 7 1 5 3 2
. . . 4 3 5 8 9 .
. . . 2 8 9 4 6 . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 972843156813562749546197328197324685328756914654918273489671532261435897735289461 #1 Medium (138)
Locked Candidates Type 2 (Claiming): 5 in r3 => r1c13,r2c13<>5
Naked Single: r1c3=2
Naked Single: r2c1=8
Naked Single: r1c1=9
Naked Single: r2c4=5
Full House: r1c4=8
Naked Single: r1c5=4
Full House: r1c8=5
Full House: r2c8=4
Full House: r3c5=9
Naked Single: r3c1=5
Naked Single: r3c3=6
Full House: r3c2=4
Naked Single: r9c1=7
Full House: r8c1=2
Naked Single: r8c3=1
Naked Single: r9c9=1
Full House: r8c9=7
Full House: r8c2=6
Naked Single: r2c3=3
Full House: r2c2=1
Full House: r9c2=3
Full House: r9c3=5
| 22 |
sudoku_24 | 726193854895467231314825967.7.91.....8.6......4.358...1385467..4572893162697.1.48 | 726193854895467231314825967673912485582674193941358672138546729457289316269731548 | sudoku_24 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 7 2 6 1 9 3 8 5 4
8 9 5 4 6 7 2 3 1
3 1 4 8 2 5 9 6 7
. 7 . 9 1 . . . .
. 8 . 6 . . . . .
. 4 . 3 5 8 . . .
1 3 8 5 4 6 7 . .
4 5 7 2 8 9 3 1 6
2 6 9 7 . 1 . 4 8 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 726193854895467231314825967673912485582674193941358672138546729457289316269731548 #1 Hard (268)
Full House: r9c5=3
Full House: r5c5=7
Full House: r9c7=5
Hidden Single: r6c8=7
Hidden Single: r4c8=8
Naked Pair: 2,9 in r5c8,r6c9 => r45c9<>2, r5c9<>9
Bivalue Universal Grave + 1 => r5c3<>1, r5c3<>3
Naked Single: r5c3=2
Naked Single: r4c3=3
Full House: r6c3=1
Naked Single: r5c6=4
Full House: r4c6=2
Naked Single: r5c8=9
Full House: r7c8=2
Full House: r7c9=9
Naked Single: r4c9=5
Naked Single: r6c7=6
Naked Single: r5c7=1
Full House: r4c7=4
Full House: r4c1=6
Naked Single: r5c1=5
Full House: r5c9=3
Full House: r6c9=2
Full House: r6c1=9
| 22 |
sudoku_25 | 4723651989851746233..928574...413.85.5.896..2...257..6...731259...64.837237589461 | 472365198985174623361928574726413985153896742894257316648731259519642837237589461 | sudoku_25 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 4 7 2 3 6 5 1 9 8
9 8 5 1 7 4 6 2 3
3 . . 9 2 8 5 7 4
. . . 4 1 3 . 8 5
. 5 . 8 9 6 . . 2
. . . 2 5 7 . . 6
. . . 7 3 1 2 5 9
. . . 6 4 . 8 3 7
2 3 7 5 8 9 4 6 1 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 472365198985174623361928574726413985153896742894257316648731259519642837237589461 #1 Hard (338)
Full House: r8c6=2
Hidden Single: r8c1=5
Hidden Single: r4c2=2
Locked Candidates Type 2 (Claiming): 1 in c1 => r56c3,r6c2<>1
Naked Triple: 1,6,9 in r348c3 => r6c3<>9, r7c3<>6
Bivalue Universal Grave + 1 => r6c3<>3, r6c3<>8
Naked Single: r6c3=4
Naked Single: r5c3=3
Naked Single: r6c2=9
Naked Single: r6c8=1
Full House: r5c8=4
Naked Single: r7c3=8
Naked Single: r5c7=7
Full House: r5c1=1
Naked Single: r4c3=6
Naked Single: r6c7=3
Full House: r6c1=8
Full House: r4c7=9
Full House: r4c1=7
Full House: r7c1=6
Full House: r7c2=4
Naked Single: r8c2=1
Full House: r3c2=6
Full House: r3c3=1
Full House: r8c3=9
| 22 |
sudoku_26 | 478236951612597438539418276..5....84..7.4...3..4..57.9953784..2741...895826159347 | 478236951612597438539418276365972184297841563184365729953784612741623895826159347 | sudoku_26 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 4 7 8 2 3 6 9 5 1
6 1 2 5 9 7 4 3 8
5 3 9 4 1 8 2 7 6
. . 5 . . . . 8 4
. . 7 . 4 . . . 3
. . 4 . . 5 7 . 9
9 5 3 7 8 4 . . 2
7 4 1 . . . 8 9 5
8 2 6 1 5 9 3 4 7 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 478236951612597438539418276365972184297841563184365729953784612741623895826159347 #1 Medium (168)
Hidden Single: r5c7=5
Hidden Single: r4c5=7
Naked Pair: 1,2 in r5c16 => r5c8<>1, r5c8<>2
Naked Single: r5c8=6
Naked Single: r4c7=1
Full House: r6c8=2
Full House: r7c8=1
Full House: r7c7=6
Naked Single: r6c5=6
Full House: r8c5=2
Naked Single: r6c2=8
Naked Single: r8c6=3
Full House: r8c4=6
Naked Single: r5c2=9
Full House: r4c2=6
Naked Single: r6c4=3
Full House: r6c1=1
Naked Single: r4c6=2
Full House: r5c6=1
Naked Single: r5c4=8
Full House: r4c4=9
Full House: r5c1=2
Full House: r4c1=3
| 22 |
sudoku_27 | 368...1297126..4855948213676.3...5.44.....2388.....7.62873569419367.4852145982673 | 368475129712639485594821367673298514459167238821543796287356941936714852145982673 | sudoku_27 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 3 6 8 . . . 1 2 9
7 1 2 6 . . 4 8 5
5 9 4 8 2 1 3 6 7
6 . 3 . . . 5 . 4
4 . . . . . 2 3 8
8 . . . . . 7 . 6
2 8 7 3 5 6 9 4 1
9 3 6 7 . 4 8 5 2
1 4 5 9 8 2 6 7 3 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 368475129712639485594821367673298514459167238821543796287356941936714852145982673 #1 Hard (338)
Full House: r8c5=1
Hidden Single: r5c5=6
Hidden Single: r4c6=8
Naked Pair: 1,9 in r6c38 => r6c4<>1, r6c56<>9
Hidden Pair: 7,9 in r4c5,r5c6 => r5c6<>5
Bivalue Universal Grave + 1 => r6c4<>2, r6c4<>4
Naked Single: r6c4=5
Naked Single: r1c4=4
Naked Single: r5c4=1
Full House: r4c4=2
Naked Single: r6c2=2
Naked Single: r6c6=3
Naked Single: r1c5=7
Full House: r1c6=5
Naked Single: r5c3=9
Full House: r6c3=1
Naked Single: r4c2=7
Full House: r5c2=5
Full House: r5c6=7
Full House: r2c6=9
Full House: r2c5=3
Naked Single: r6c5=4
Full House: r4c5=9
Full House: r6c8=9
Full House: r4c8=1
| 22 |
sudoku_28 | ...5284636831497254523768199254316.73768529418416973522..9....4...76.298...2..... | 719528463683149725452376819925431687376852941841697352268913574134765298597284136 | sudoku_28 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . . . 5 2 8 4 6 3
6 8 3 1 4 9 7 2 5
4 5 2 3 7 6 8 1 9
9 2 5 4 3 1 6 . 7
3 7 6 8 5 2 9 4 1
8 4 1 6 9 7 3 5 2
2 . . 9 . . . . 4
. . . 7 6 . 2 9 8
. . . 2 . . . . . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 719528463683149725452376819925431687376852941841697352268913574134765298597284136 #1 Hard (258)
Full House: r4c8=8
Full House: r9c9=6
Naked Single: r8c3=4
Hidden Single: r7c2=6
Hidden Single: r9c6=4
Locked Candidates Type 2 (Claiming): 1 in r8 => r9c12<>1
Bivalue Universal Grave + 1 => r9c3<>8, r9c3<>9
Naked Single: r9c3=7
Naked Single: r1c3=9
Full House: r7c3=8
Naked Single: r9c1=5
Naked Single: r9c8=3
Full House: r7c8=7
Naked Single: r1c2=1
Full House: r1c1=7
Full House: r8c1=1
Naked Single: r7c5=1
Full House: r9c5=8
Naked Single: r9c7=1
Full House: r9c2=9
Full House: r8c2=3
Full House: r7c7=5
Full House: r8c6=5
Full House: r7c6=3
| 22 |
sudoku_29 | 179632485482...7366534781925.....97.2...4.56.3.....24.7258643199617238548345..627 | 179632485482195736653478192546281973298347561317956248725864319961723854834519627 | sudoku_29 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 7 9 6 3 2 4 8 5
4 8 2 . . . 7 3 6
6 5 3 4 7 8 1 9 2
5 . . . . . 9 7 .
2 . . . 4 . 5 6 .
3 . . . . . 2 4 .
7 2 5 8 6 4 3 1 9
9 6 1 7 2 3 8 5 4
8 3 4 5 . . 6 2 7 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 179632485482195736653478192546281973298347561317956248725864319961723854834519627 #1 Medium (178)
Hidden Single: r4c4=2
Hidden Single: r4c2=4
Hidden Single: r4c9=3
Hidden Single: r5c4=3
Locked Candidates Type 2 (Claiming): 1 in r4 => r56c6,r6c45<>1
Naked Single: r6c4=9
Full House: r2c4=1
Naked Single: r5c6=7
Naked Single: r6c2=1
Full House: r5c2=9
Naked Single: r5c3=8
Full House: r5c9=1
Full House: r6c9=8
Naked Single: r4c3=6
Full House: r6c3=7
Naked Single: r6c5=5
Full House: r6c6=6
Naked Single: r4c6=1
Full House: r4c5=8
Naked Single: r2c5=9
Full House: r2c6=5
Full House: r9c6=9
Full House: r9c5=1
| 22 |
sudoku_30 | 8741..2561936524875..7849136354..872289367541741825639....4.7.8......1.44..9..365 | 874139256193652487562784913635491872289367541741825639916543728358276194427918365 | sudoku_30 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 8 7 4 1 . . 2 5 6
1 9 3 6 5 2 4 8 7
5 . . 7 8 4 9 1 3
6 3 5 4 . . 8 7 2
2 8 9 3 6 7 5 4 1
7 4 1 8 2 5 6 3 9
. . . . 4 . 7 . 8
. . . . . . 1 . 4
4 . . 9 . . 3 6 5 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 874139256193652487562784913635491872289367541741825639916543728358276194427918365 #1 Medium (142)
Locked Candidates Type 2 (Claiming): 2 in r9 => r7c23,r8c23<>2
Naked Single: r7c3=6
Naked Single: r3c3=2
Full House: r3c2=6
Naked Single: r8c2=5
Naked Single: r7c2=1
Full House: r9c2=2
Naked Single: r8c4=2
Full House: r7c4=5
Naked Single: r7c6=3
Naked Single: r8c8=9
Full House: r7c8=2
Full House: r7c1=9
Full House: r8c1=3
Naked Single: r1c6=9
Full House: r1c5=3
Naked Single: r8c5=7
Naked Single: r4c6=1
Full House: r4c5=9
Full House: r9c5=1
Naked Single: r8c3=8
Full House: r8c6=6
Full House: r9c6=8
Full House: r9c3=7
| 23 |
sudoku_31 | 726193854895467231314825967.7.91.....8.6......4.358...1385467..4572893162697...48 | 726193854895467231314825967673912485582674193941358672138546729457289316269731548 | sudoku_31 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 7 2 6 1 9 3 8 5 4
8 9 5 4 6 7 2 3 1
3 1 4 8 2 5 9 6 7
. 7 . 9 1 . . . .
. 8 . 6 . . . . .
. 4 . 3 5 8 . . .
1 3 8 5 4 6 7 . .
4 5 7 2 8 9 3 1 6
2 6 9 7 . . . 4 8 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 726193854895467231314825967673912485582674193941358672138546729457289316269731548 #1 Hard (272)
Naked Single: r5c5=7
Full House: r9c5=3
Full House: r9c6=1
Full House: r9c7=5
Hidden Single: r6c8=7
Hidden Single: r4c8=8
Naked Pair: 2,9 in r5c8,r6c9 => r45c9<>2, r5c9<>9
Bivalue Universal Grave + 1 => r5c3<>1, r5c3<>3
Naked Single: r5c3=2
Naked Single: r4c3=3
Full House: r6c3=1
Naked Single: r5c6=4
Full House: r4c6=2
Naked Single: r5c8=9
Full House: r7c8=2
Full House: r7c9=9
Naked Single: r4c9=5
Naked Single: r6c7=6
Naked Single: r5c7=1
Full House: r4c7=4
Full House: r4c1=6
Naked Single: r5c1=5
Full House: r5c9=3
Full House: r6c9=2
Full House: r6c1=9
| 23 |
sudoku_32 | 4175382968..672134632194..8...82...1721.638....8.1..2.5763419821832594672..786.1. | 417538296895672134632194758964825371721963845358417629576341982183259467249786513 | sudoku_32 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 4 1 7 5 3 8 2 9 6
8 . . 6 7 2 1 3 4
6 3 2 1 9 4 . . 8
. . . 8 2 . . . 1
7 2 1 . 6 3 8 . .
. . 8 . 1 . . 2 .
5 7 6 3 4 1 9 8 2
1 8 3 2 5 9 4 6 7
2 . . 7 8 6 . 1 . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 417538296895672134632194758964825371721963845358417629576341982183259467249786513 #1 Medium (152)
Locked Candidates Type 2 (Claiming): 9 in r4 => r6c12<>9
Naked Single: r6c1=3
Full House: r4c1=9
Hidden Single: r4c7=3
Naked Single: r9c7=5
Full House: r9c9=3
Naked Single: r3c7=7
Full House: r3c8=5
Full House: r6c7=6
Naked Single: r5c8=4
Full House: r4c8=7
Naked Single: r5c4=9
Full House: r5c9=5
Full House: r6c4=4
Full House: r6c9=9
Naked Single: r4c6=5
Full House: r6c6=7
Full House: r6c2=5
Naked Single: r4c3=4
Full House: r4c2=6
Naked Single: r2c2=9
Full House: r2c3=5
Full House: r9c3=9
Full House: r9c2=4
| 23 |
sudoku_33 | 9613472..4..61.7.9.3.2.91646.4..239.3..96.4....943162.746..3912195726843283194576 | 961347285428615739537289164614572398372968451859431627746853912195726843283194576 | sudoku_33 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 9 6 1 3 4 7 2 . .
4 . . 6 1 . 7 . 9
. 3 . 2 . 9 1 6 4
6 . 4 . . 2 3 9 .
3 . . 9 6 . 4 . .
. . 9 4 3 1 6 2 .
7 4 6 . . 3 9 1 2
1 9 5 7 2 6 8 4 3
2 8 3 1 9 4 5 7 6 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 961347285428615739537289164614572398372968451859431627746853912195726843283194576 #1 Medium (182)
Hidden Single: r2c8=3
Hidden Single: r3c3=7
Hidden Single: r4c5=7
Naked Pair: 5,8 in r5c68 => r5c29<>5, r5c39<>8
Naked Single: r5c3=2
Full House: r2c3=8
Naked Single: r2c6=5
Full House: r2c2=2
Full House: r3c1=5
Full House: r3c5=8
Full House: r5c6=8
Full House: r6c1=8
Full House: r7c5=5
Full House: r4c4=5
Full House: r7c4=8
Naked Single: r5c8=5
Full House: r1c8=8
Full House: r1c9=5
Naked Single: r4c2=1
Full House: r4c9=8
Naked Single: r6c9=7
Full House: r5c9=1
Full House: r5c2=7
Full House: r6c2=5
| 23 |
sudoku_34 | 146257..9759813642832649517481732956267594183593168274...4.6......3........97...8 | 146257839759813642832649517481732956267594183593168274325486791978321465614975328 | sudoku_34 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 4 6 2 5 7 . . 9
7 5 9 8 1 3 6 4 2
8 3 2 6 4 9 5 1 7
4 8 1 7 3 2 9 5 6
2 6 7 5 9 4 1 8 3
5 9 3 1 6 8 2 7 4
. . . 4 . 6 . . .
. . . 3 . . . . .
. . . 9 7 . . . 8 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 146257839759813642832649517481732956267594183593168274325486791978321465614975328 #1 Hard (322)
Naked Single: r1c8=3
Full House: r1c7=8
Naked Pair: 1,5 in r8c69 => r8c2<>1, r8c3<>5
Hidden Pair: 6,9 in r8c18 => r8c8<>2
Bivalue Universal Grave + 1 => r7c2<>1, r7c2<>7
Naked Single: r7c2=2
Naked Single: r7c5=8
Full House: r8c5=2
Naked Single: r7c8=9
Naked Single: r8c2=7
Full House: r9c2=1
Naked Single: r7c3=5
Naked Single: r7c1=3
Naked Single: r8c8=6
Full House: r9c8=2
Naked Single: r8c7=4
Naked Single: r9c6=5
Full House: r8c6=1
Naked Single: r7c9=1
Full House: r7c7=7
Full House: r9c7=3
Full House: r8c9=5
Naked Single: r9c3=4
Full House: r9c1=6
Full House: r8c1=9
Full House: r8c3=8
| 23 |
sudoku_35 | 13..4...9..9.13..6.....93.1987165..3215934687364...915.2.357194743291568591486732 | 136542879479813256852679341987165423215934687364728915628357194743291568591486732 | sudoku_35 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 3 . . 4 . . . 9
. . 9 . 1 3 . . 6
. . . . . 9 3 . 1
9 8 7 1 6 5 . . 3
2 1 5 9 3 4 6 8 7
3 6 4 . . . 9 1 5
. 2 . 3 5 7 1 9 4
7 4 3 2 9 1 5 6 8
5 9 1 4 8 6 7 3 2 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 136542879479813256852679341987165423215934687364728915628357194743291568591486732 #1 Medium (142)
Locked Candidates Type 2 (Claiming): 2 in r2 => r1c78,r3c8<>2
Naked Single: r1c7=8
Naked Single: r1c6=2
Full House: r6c6=8
Naked Single: r1c3=6
Naked Single: r3c5=7
Full House: r6c5=2
Full House: r6c4=7
Naked Single: r7c3=8
Full House: r3c3=2
Full House: r7c1=6
Naked Single: r1c4=5
Full House: r1c8=7
Naked Single: r3c2=5
Full House: r2c2=7
Naked Single: r2c4=8
Full House: r3c4=6
Naked Single: r3c8=4
Full House: r3c1=8
Full House: r2c1=4
Naked Single: r2c7=2
Full House: r2c8=5
Full House: r4c8=2
Full House: r4c7=4
| 23 |
sudoku_36 | .6...14.9958347162.4.62985..35..692..16.923.5829..36..684735291593218746.7.9645.. | 362851479958347162147629853435186927716492385829573614684735291593218746271964538 | sudoku_36 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . 6 . . . 1 4 . 9
9 5 8 3 4 7 1 6 2
. 4 . 6 2 9 8 5 .
. 3 5 . . 6 9 2 .
. 1 6 . 9 2 3 . 5
8 2 9 . . 3 6 . .
6 8 4 7 3 5 2 9 1
5 9 3 2 1 8 7 4 6
. 7 . 9 6 4 5 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 362851479958347162147629853435186927716492385829573614684735291593218746271964538 #1 Hard (262)
Hidden Single: r6c8=1
Hidden Single: r4c4=1
Locked Candidates Type 1 (Pointing): 7 in b4 => r13c1<>7
Bivalue Universal Grave + 1 => r4c9<>4, r4c9<>8
Naked Single: r4c9=7
Naked Single: r3c9=3
Full House: r1c8=7
Naked Single: r4c1=4
Full House: r4c5=8
Full House: r5c1=7
Naked Single: r5c8=8
Full House: r6c9=4
Full House: r9c9=8
Full House: r5c4=4
Full House: r9c8=3
Naked Single: r3c1=1
Full House: r3c3=7
Naked Single: r1c3=2
Full House: r1c1=3
Full House: r9c1=2
Full House: r9c3=1
Naked Single: r1c5=5
Full House: r1c4=8
Full House: r6c4=5
Full House: r6c5=7
| 23 |
sudoku_37 | 24..1...6.5..6.2..6.9.25.4.124957368986231475573684912465398127....426.9.92176..4 | 248713596751469283639825741124957368986231475573684912465398127817542639392176854 | sudoku_37 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 2 4 . . 1 . . . 6
. 5 . . 6 . 2 . .
6 . 9 . 2 5 . 4 .
1 2 4 9 5 7 3 6 8
9 8 6 2 3 1 4 7 5
5 7 3 6 8 4 9 1 2
4 6 5 3 9 8 1 2 7
. . . . 4 2 6 . 9
. 9 2 1 7 6 . . 4 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 248713596751469283639825741124957368986231475573684912465398127817542639392176854 #1 Medium (162)
Full House: r8c4=5
Hidden Single: r2c4=4
Locked Candidates Type 1 (Pointing): 3 in b9 => r12c8<>3
Hidden Single: r1c6=3
Full House: r2c6=9
Naked Single: r2c8=8
Naked Single: r3c7=7
Naked Single: r8c8=3
Naked Single: r1c7=5
Full House: r9c7=8
Full House: r9c8=5
Full House: r1c8=9
Full House: r9c1=3
Naked Single: r3c4=8
Full House: r1c4=7
Full House: r1c3=8
Naked Single: r8c2=1
Full House: r3c2=3
Full House: r3c9=1
Full House: r2c9=3
Naked Single: r2c1=7
Full House: r2c3=1
Full House: r8c3=7
Full House: r8c1=8
| 23 |
sudoku_38 | ..93247157..1856944156793829..753421...861957...942836...438169...59724....21657. | 689324715723185694415679382968753421342861957571942836257438169136597248894216573 | sudoku_38 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . . 9 3 2 4 7 1 5
7 . . 1 8 5 6 9 4
4 1 5 6 7 9 3 8 2
9 . . 7 5 3 4 2 1
. . . 8 6 1 9 5 7
. . . 9 4 2 8 3 6
. . . 4 3 8 1 6 9
. . . 5 9 7 2 4 .
. . . 2 1 6 5 7 . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 689324715723185694415679382968753421342861957571942836257438169136597248894216573 #1 Medium (182)
Hidden Single: r9c2=9
Hidden Single: r9c3=4
Hidden Single: r5c2=4
Naked Pair: 6,8 in r14c2 => r8c2<>6, r8c2<>8
Naked Single: r8c2=3
Naked Single: r2c2=2
Full House: r2c3=3
Naked Single: r8c9=8
Full House: r9c9=3
Full House: r9c1=8
Naked Single: r5c3=2
Full House: r5c1=3
Naked Single: r1c1=6
Full House: r1c2=8
Naked Single: r7c3=7
Naked Single: r8c1=1
Full House: r8c3=6
Naked Single: r4c2=6
Full House: r4c3=8
Full House: r6c3=1
Naked Single: r7c2=5
Full House: r6c2=7
Full House: r6c1=5
Full House: r7c1=2
| 23 |
sudoku_39 | ......3...2..937..9.3.1.8..715928463.3....917496371582184237659369185274572649138 | 847562391621893745953714826715928463238456917496371582184237659369185274572649138 | sudoku_39 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . . . . . . 3 . .
. 2 . . 9 3 7 . .
9 . 3 . 1 . 8 . .
7 1 5 9 2 8 4 6 3
. 3 . . . . 9 1 7
4 9 6 3 7 1 5 8 2
1 8 4 2 3 7 6 5 9
3 6 9 1 8 5 2 7 4
5 7 2 6 4 9 1 3 8 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 847562391621893745953714826715928463238456917496371582184237659369185274572649138 #1 Hard (222)
Naked Single: r2c8=4
Naked Single: r5c3=8
Full House: r5c1=2
Naked Single: r3c8=2
Full House: r1c8=9
Naked Single: r2c3=1
Full House: r1c3=7
Hidden Single: r3c4=7
Hidden Single: r1c6=2
Hidden Single: r1c9=1
Bivalue Universal Grave + 1 => r1c4<>4, r1c4<>8
Naked Single: r1c4=5
Naked Single: r1c2=4
Full House: r3c2=5
Naked Single: r1c5=6
Full House: r1c1=8
Full House: r5c5=5
Full House: r2c1=6
Naked Single: r2c4=8
Full House: r5c4=4
Full House: r3c6=4
Full House: r3c9=6
Full House: r2c9=5
Full House: r5c6=6
| 23 |
sudoku_40 | .....9782.781.2539259783146..297...3...2...97.97..82.4724891365386425971915..7428 | 163549782478162539259783146542976813831254697697318254724891365386425971915637428 | sudoku_40 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . . . . . 9 7 8 2
. 7 8 1 . 2 5 3 9
2 5 9 7 8 3 1 4 6
. . 2 9 7 . . . 3
. . . 2 . . . 9 7
. 9 7 . . 8 2 . 4
7 2 4 8 9 1 3 6 5
3 8 6 4 2 5 9 7 1
9 1 5 . . 7 4 2 8 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 163549782478162539259783146542976813831254697697318254724891365386425971915637428 #1 Medium (256)
Locked Candidates Type 1 (Pointing): 4 in b2 => r5c5<>4
Locked Candidates Type 1 (Pointing): 3 in b4 => r5c5<>3
Locked Candidates Type 2 (Claiming): 6 in c6 => r56c5,r6c4<>6
Hidden Single: r6c1=6
Naked Single: r2c1=4
Full House: r2c5=6
Naked Single: r4c2=4
Naked Single: r1c1=1
Naked Single: r1c4=5
Full House: r1c5=4
Naked Single: r9c5=3
Full House: r9c4=6
Full House: r6c4=3
Naked Single: r4c6=6
Full House: r5c6=4
Naked Single: r5c2=3
Full House: r1c2=6
Full House: r1c3=3
Full House: r5c3=1
Naked Single: r4c7=8
Full House: r5c7=6
Naked Single: r5c5=5
Full House: r5c1=8
Full House: r4c1=5
Full House: r6c5=1
Full House: r4c8=1
Full House: r6c8=5
| 24 |
sudoku_41 | 9752684312439..8651..453972451786293639124758827395...3..6.9...5..84....7..5...89 | 975268431243917865168453972451786293639124758827395146382679514596841327714532689 | sudoku_41 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 9 7 5 2 6 8 4 3 1
2 4 3 9 . . 8 6 5
1 . . 4 5 3 9 7 2
4 5 1 7 8 6 2 9 3
6 3 9 1 2 4 7 5 8
8 2 7 3 9 5 . . .
3 . . 6 . 9 . . .
5 . . 8 4 . . . .
7 . . 5 . . . 8 9 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 975268431243917865168453972451786293639124758827395146382679514596841327714532689 #1 Hard (256)
Hidden Single: r7c7=5
Hidden Single: r8c7=3
Hidden Single: r9c5=3
Hidden Single: r8c2=9
Hidden Single: r9c3=4
Hidden Single: r9c6=2
Bivalue Universal Grave + 1 => r7c8<>2, r7c8<>4
Naked Single: r7c8=1
Naked Single: r6c8=4
Full House: r8c8=2
Naked Single: r7c2=8
Naked Single: r7c5=7
Full House: r2c5=1
Full House: r8c6=1
Full House: r2c6=7
Naked Single: r9c7=6
Full House: r6c7=1
Full House: r6c9=6
Full House: r9c2=1
Full House: r3c2=6
Full House: r3c3=8
Naked Single: r8c3=6
Full House: r7c3=2
Full House: r7c9=4
Full House: r8c9=7
| 24 |
sudoku_42 | 592...18431......778......38734..519641935872259..8346127359468435...921968..4735 | 592763184314892657786541293873426519641935872259178346127359468435687921968214735 | sudoku_42 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 5 9 2 . . . 1 8 4
3 1 . . . . . . 7
7 8 . . . . . . 3
8 7 3 4 . . 5 1 9
6 4 1 9 3 5 8 7 2
2 5 9 . . 8 3 4 6
1 2 7 3 5 9 4 6 8
4 3 5 . . . 9 2 1
9 6 8 . . 4 7 3 5 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 592763184314892657786541293873426519641935872259178346127359468435687921968214735 #1 Medium (176)
Hidden Single: r1c6=3
Hidden Single: r3c6=1
Hidden Single: r8c6=7
Locked Candidates Type 2 (Claiming): 6 in r1 => r2c456,r3c45<>6
Naked Single: r2c6=2
Full House: r4c6=6
Full House: r4c5=2
Naked Single: r2c7=6
Full House: r3c7=2
Naked Single: r3c4=5
Naked Single: r9c5=1
Full House: r9c4=2
Naked Single: r2c3=4
Full House: r3c3=6
Naked Single: r2c4=8
Naked Single: r3c8=9
Full House: r2c8=5
Full House: r2c5=9
Full House: r3c5=4
Naked Single: r6c5=7
Full House: r6c4=1
Naked Single: r8c4=6
Full House: r1c4=7
Full House: r1c5=6
Full House: r8c5=8
| 24 |
sudoku_43 | 716.2..5..256.7....394516276735142892948361751582794..3.27.5...9.71625..561...7.2 | 716923854425687391839451627673514289294836175158279463382745916947162538561398742 | sudoku_43 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 7 1 6 . 2 . . 5 .
. 2 5 6 . 7 . . .
. 3 9 4 5 1 6 2 7
6 7 3 5 1 4 2 8 9
2 9 4 8 3 6 1 7 5
1 5 8 2 7 9 4 . .
3 . 2 7 . 5 . . .
9 . 7 1 6 2 5 . .
5 6 1 . . . 7 . 2 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 716923854425687391839451627673514289294836175158279463382745916947162538561398742 #1 Hard (446)
Full House: r3c1=8
Full House: r2c1=4
Hidden Single: r1c9=4
Locked Candidates Type 1 (Pointing): 3 in b2 => r1c7<>3
Hidden Single: r2c7=3
Locked Candidates Type 1 (Pointing): 3 in b8 => r9c8<>3
Locked Candidates Type 2 (Claiming): 8 in r9 => r7c5<>8
Naked Triple: 4,8,9 in r7c257 => r7c8<>4, r7c8<>9, r7c9<>8
Bivalue Universal Grave + 1 => r9c5<>4, r9c5<>8
Naked Single: r9c5=9
Naked Single: r2c5=8
Full House: r7c5=4
Naked Single: r9c4=3
Full House: r1c4=9
Full House: r1c6=3
Full House: r9c6=8
Full House: r9c8=4
Full House: r1c7=8
Full House: r7c7=9
Naked Single: r2c9=1
Full House: r2c8=9
Naked Single: r7c2=8
Full House: r8c2=4
Naked Single: r8c8=3
Full House: r8c9=8
Naked Single: r7c9=6
Full House: r6c9=3
Full House: r6c8=6
Full House: r7c8=1
| 24 |
sudoku_44 | 48.13657.713528.4...67.91838.7.13.5414.6573.8.35.847.1..146283.3.4871..5..839541. | 489136572713528946256749183867913254142657398935284761571462839394871625628395417 | sudoku_44 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 4 8 . 1 3 6 5 7 .
7 1 3 5 2 8 . 4 .
. . 6 7 . 9 1 8 3
8 . 7 . 1 3 . 5 4
1 4 . 6 5 7 3 . 8
. 3 5 . 8 4 7 . 1
. . 1 4 6 2 8 3 .
3 . 4 8 7 1 . . 5
. . 8 3 9 5 4 1 . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 489136572713528946256749183867913254142657398935284761571462839394871625628395417 #1 Hard (316)
Full House: r3c5=4
Hidden Single: r1c3=9
Full House: r1c9=2
Full House: r5c3=2
Full House: r5c8=9
Locked Candidates Type 1 (Pointing): 2 in b9 => r8c2<>2
Naked Pair: 6,9 in r48c2 => r7c2<>9, r9c2<>6
Bivalue Universal Grave + 1 => r8c7<>2, r8c7<>9
Naked Single: r8c7=6
Naked Single: r2c7=9
Full House: r4c7=2
Full House: r2c9=6
Full House: r6c8=6
Full House: r8c8=2
Full House: r8c2=9
Naked Single: r9c9=7
Full House: r7c9=9
Naked Single: r4c4=9
Full House: r4c2=6
Full House: r6c1=9
Full House: r6c4=2
Naked Single: r7c1=5
Full House: r7c2=7
Naked Single: r9c2=2
Full House: r3c2=5
Full House: r3c1=2
Full House: r9c1=6
| 24 |
sudoku_45 | ...174936739658142164932785953...4682184635796475893214.........7...5.14..1.468.. | 582174936739658142164932785953721468218463579647589321425817693876395214391246857 | sudoku_45 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . . . 1 7 4 9 3 6
7 3 9 6 5 8 1 4 2
1 6 4 9 3 2 7 8 5
9 5 3 . . . 4 6 8
2 1 8 4 6 3 5 7 9
6 4 7 5 8 9 3 2 1
4 . . . . . . . .
. 7 . . . 5 . 1 4
. . 1 . 4 6 8 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 582174936739658142164932785953721468218463579647589321425817693876395214391246857 #1 Hard (266)
Hidden Single: r8c5=9
Naked Pair: 2,6 in r8c37 => r8c4<>2
Uniqueness Test 1: 2/6 in r7c37,r8c37 => r7c3<>2, r7c3<>6
Naked Single: r7c3=5
Naked Single: r1c3=2
Full House: r8c3=6
Naked Single: r7c8=9
Full House: r9c8=5
Naked Single: r9c1=3
Naked Single: r1c2=8
Full House: r1c1=5
Full House: r8c1=8
Naked Single: r8c7=2
Full House: r8c4=3
Full House: r7c7=6
Naked Single: r9c9=7
Full House: r7c9=3
Naked Single: r7c2=2
Full House: r9c2=9
Full House: r9c4=2
Naked Single: r7c5=1
Full House: r4c5=2
Naked Single: r4c4=7
Full House: r4c6=1
Full House: r7c6=7
Full House: r7c4=8
| 24 |
sudoku_46 | 934.....1.8.4..3.........4.249...1851735486..856291437398156274721984563465732918 | 934865721682417359517329846249673185173548692856291437398156274721984563465732918 | sudoku_46 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 9 3 4 . . . . . 1
. 8 . 4 . . 3 . .
. . . . . . . 4 .
2 4 9 . . . 1 8 5
1 7 3 5 4 8 6 . .
8 5 6 2 9 1 4 3 7
3 9 8 1 5 6 2 7 4
7 2 1 9 8 4 5 6 3
4 6 5 7 3 2 9 1 8 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 934865721682417359517329846249673185173548692856291437398156274721984563465732918 #1 Medium (216)
Full House: r3c2=1
Hidden Single: r2c5=1
Locked Candidates Type 2 (Claiming): 6 in r1 => r3c45<>6
Naked Pair: 2,7 in r3c35 => r3c67<>7, r3c9<>2
Naked Single: r3c7=8
Full House: r1c7=7
Naked Single: r3c4=3
Naked Single: r1c6=5
Naked Single: r4c4=6
Full House: r1c4=8
Naked Single: r1c8=2
Full House: r1c5=6
Naked Single: r3c6=9
Naked Single: r4c5=7
Full House: r3c5=2
Full House: r2c6=7
Full House: r4c6=3
Naked Single: r5c8=9
Full House: r2c8=5
Full House: r5c9=2
Naked Single: r3c9=6
Full House: r2c9=9
Naked Single: r3c3=7
Full House: r2c3=2
Full House: r2c1=6
Full House: r3c1=5
| 24 |
sudoku_47 | 2913576487568..923384629175.287....416......7.4.......875193462439268...612475839 | 291357648756841923384629175928736514163584297547912386875193462439268751612475839 | sudoku_47 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 2 9 1 3 5 7 6 4 8
7 5 6 8 . . 9 2 3
3 8 4 6 2 9 1 7 5
. 2 8 7 . . . . 4
1 6 . . . . . . 7
. 4 . . . . . . .
8 7 5 1 9 3 4 6 2
4 3 9 2 6 8 . . .
6 1 2 4 7 5 8 3 9 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 291357648756841923384629175928736514163584297547912386875193462439268751612475839 #1 Hard (266)
Naked Single: r5c3=3
Full House: r6c3=7
Naked Single: r8c9=1
Full House: r6c9=6
Naked Single: r8c8=5
Full House: r8c7=7
Hidden Single: r4c6=6
Naked Pair: 5,9 in r6c14 => r6c7<>5, r6c8<>9
Bivalue Universal Grave + 1 => r6c5<>3, r6c5<>8
Naked Single: r6c5=1
Naked Single: r2c5=4
Full House: r2c6=1
Naked Single: r4c5=3
Full House: r5c5=8
Naked Single: r6c6=2
Full House: r5c6=4
Naked Single: r6c8=8
Naked Single: r4c7=5
Naked Single: r5c8=9
Full House: r4c8=1
Full House: r4c1=9
Full House: r6c1=5
Naked Single: r6c7=3
Full House: r5c7=2
Full House: r5c4=5
Full House: r6c4=9
| 24 |
sudoku_48 | 821974365679...1845346187923184972562678539414952618371........7...8....9.....67. | 821974365679532184534618792318497256267853941495261837186749523752386419943125678 | sudoku_48 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 8 2 1 9 7 4 3 6 5
6 7 9 . . . 1 8 4
5 3 4 6 1 8 7 9 2
3 1 8 4 9 7 2 5 6
2 6 7 8 5 3 9 4 1
4 9 5 2 6 1 8 3 7
1 . . . . . . . .
7 . . . 8 . . . .
9 . . . . . 6 7 . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 821974365679532184534618792318497256267853941495261837186749523752386419943125678 #1 Medium (176)
Naked Single: r7c8=2
Full House: r8c8=1
Hidden Single: r7c4=7
Hidden Single: r9c4=1
Naked Pair: 4,5 in r8c27 => r8c46<>5
Naked Single: r8c4=3
Full House: r2c4=5
Naked Single: r7c5=4
Naked Single: r8c9=9
Naked Single: r2c6=2
Full House: r2c5=3
Full House: r9c5=2
Naked Single: r7c7=5
Full House: r8c7=4
Naked Single: r8c6=6
Naked Single: r9c6=5
Full House: r7c6=9
Naked Single: r9c3=3
Naked Single: r7c2=8
Naked Single: r8c2=5
Full House: r8c3=2
Full House: r7c3=6
Full House: r7c9=3
Full House: r9c9=8
Full House: r9c2=4
| 24 |
sudoku_49 | 571246389382179546.6.5831721......6.24...875........9.827934615...865927695721834 | 571246389382179546964583172139457268246398751758612493827934615413865927695721834 | sudoku_49 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 5 7 1 2 4 6 3 8 9
3 8 2 1 7 9 5 4 6
. 6 . 5 8 3 1 7 2
1 . . . . . . 6 .
2 4 . . . 8 7 5 .
. . . . . . . 9 .
8 2 7 9 3 4 6 1 5
. . . 8 6 5 9 2 7
6 9 5 7 2 1 8 3 4 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 571246389382179546964583172139457268246398751758612493827934615413865927695721834 #1 Hard (206)
Naked Single: r8c1=4
Naked Single: r6c1=7
Full House: r3c1=9
Full House: r3c3=4
Naked Single: r8c3=3
Full House: r8c2=1
Naked Single: r6c6=2
Full House: r4c6=7
Naked Single: r6c7=4
Full House: r4c7=2
Hidden Single: r4c4=4
Bivalue Universal Grave + 1 => r6c9<>1, r6c9<>8
Naked Single: r6c9=3
Naked Single: r4c9=8
Full House: r5c9=1
Naked Single: r6c2=5
Full House: r4c2=3
Naked Single: r6c4=6
Full House: r5c4=3
Naked Single: r4c3=9
Full House: r4c5=5
Naked Single: r5c5=9
Full House: r6c5=1
Full House: r6c3=8
Full House: r5c3=6
| 24 |
sudoku_50 | 514972683...354719739861254..5..7..6.....5.276....38...4.739561967518..2153246978 | 514972683826354719739861254385427196491685327672193845248739561967518432153246978 | sudoku_50 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 5 1 4 9 7 2 6 8 3
. . . 3 5 4 7 1 9
7 3 9 8 6 1 2 5 4
. . 5 . . 7 . . 6
. . . . . 5 . 2 7
6 . . . . 3 8 . .
. 4 . 7 3 9 5 6 1
9 6 7 5 1 8 . . 2
1 5 3 2 4 6 9 7 8 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 514972683826354719739861254385427196491685327672193845248739561967518432153246978 #1 Medium (190)
Full House: r6c9=5
Hidden Single: r5c4=6
Hidden Single: r2c3=6
Hidden Single: r6c2=7
Naked Pair: 8,9 in r5c25 => r5c13<>8
Naked Single: r5c3=1
Naked Single: r6c3=2
Full House: r7c3=8
Full House: r7c1=2
Naked Single: r6c5=9
Naked Single: r2c1=8
Full House: r2c2=2
Naked Single: r5c5=8
Full House: r4c5=2
Naked Single: r6c8=4
Full House: r6c4=1
Full House: r4c4=4
Naked Single: r5c2=9
Full House: r4c2=8
Naked Single: r5c7=3
Full House: r5c1=4
Full House: r4c1=3
Naked Single: r8c8=3
Full House: r4c8=9
Full House: r4c7=1
Full House: r8c7=4
| 25 |
sudoku_51 | 4197286352..19.7843785..219...6..358...8.19268..9..147...4..871.8.317492147289563 | 419728635256193784378564219791642358534871926862935147923456871685317492147289563 | sudoku_51 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 4 1 9 7 2 8 6 3 5
2 . . 1 9 . 7 8 4
3 7 8 5 . . 2 1 9
. . . 6 . . 3 5 8
. . . 8 . 1 9 2 6
8 . . 9 . . 1 4 7
. . . 4 . . 8 7 1
. 8 . 3 1 7 4 9 2
1 4 7 2 8 9 5 6 3 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 419728635256193784378564219791642358534871926862935147923456871685317492147289563 #1 Medium (230)
Hidden Single: r2c6=3
Hidden Single: r4c3=1
Hidden Single: r5c3=4
Locked Candidates Type 1 (Pointing): 5 in b8 => r7c123<>5
Locked Candidates Type 1 (Pointing): 6 in b8 => r7c123<>6
Naked Single: r7c1=9
Naked Single: r4c1=7
Naked Single: r4c5=4
Naked Single: r5c1=5
Full House: r8c1=6
Full House: r8c3=5
Naked Single: r3c5=6
Full House: r3c6=4
Naked Single: r4c6=2
Full House: r4c2=9
Naked Single: r5c2=3
Full House: r5c5=7
Naked Single: r2c3=6
Full House: r2c2=5
Naked Single: r7c5=5
Full House: r6c5=3
Full House: r6c6=5
Full House: r7c6=6
Naked Single: r7c2=2
Full House: r6c2=6
Full House: r6c3=2
Full House: r7c3=3
| 25 |
sudoku_52 | 572183694169..7358438...712945371286781..4539623...471..4...163..7...845..6...927 | 572183694169247358438569712945371286781624539623895471894752163217936845356418927 | sudoku_52 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 5 7 2 1 8 3 6 9 4
1 6 9 . . 7 3 5 8
4 3 8 . . . 7 1 2
9 4 5 3 7 1 2 8 6
7 8 1 . . 4 5 3 9
6 2 3 . . . 4 7 1
. . 4 . . . 1 6 3
. . 7 . . . 8 4 5
. . 6 . . . 9 2 7 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 572183694169247358438569712945371286781624539623895471894752163217936845356418927 #1 Medium (280)
Hidden Single: r7c4=7
Locked Candidates Type 2 (Claiming): 2 in c6 => r78c5,r8c4<>2
Naked Pair: 5,9 in r7c25 => r7c6<>5, r7c6<>9
Naked Pair: 5,9 in r67c5 => r39c5<>5, r38c5<>9
Naked Single: r3c5=6
Naked Single: r5c5=2
Full House: r5c4=6
Naked Single: r2c5=4
Full House: r2c4=2
Naked Single: r8c4=9
Naked Single: r3c4=5
Full House: r3c6=9
Naked Single: r7c5=5
Naked Single: r8c2=1
Naked Single: r6c4=8
Full House: r9c4=4
Naked Single: r6c5=9
Full House: r6c6=5
Naked Single: r7c2=9
Full House: r9c2=5
Naked Single: r9c6=8
Naked Single: r8c5=3
Full House: r9c5=1
Full House: r9c1=3
Naked Single: r7c6=2
Full House: r7c1=8
Full House: r8c1=2
Full House: r8c6=6
| 25 |
sudoku_53 | 169534...328671..47452986319128....6.83.....2.571....3871.....5596312487234785169 | 169534278328671954745298631912853746683947512457126893871469325596312487234785169 | sudoku_53 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 6 9 5 3 4 . . .
3 2 8 6 7 1 . . 4
7 4 5 2 9 8 6 3 1
9 1 2 8 . . . . 6
. 8 3 . . . . . 2
. 5 7 1 . . . . 3
8 7 1 . . . . . 5
5 9 6 3 1 2 4 8 7
2 3 4 7 8 5 1 6 9 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 169534278328671954745298631912853746683947512457126893871469325596312487234785169 #1 Hard (260)
Full House: r1c9=8
Naked Single: r7c8=2
Full House: r7c7=3
Naked Single: r1c8=7
Full House: r1c7=2
Hidden Single: r4c6=3
Hidden Single: r6c5=2
Hidden Single: r6c7=8
Hidden Single: r5c8=1
Hidden Single: r4c7=7
Hidden Single: r5c6=7
Bivalue Universal Grave + 1 => r5c5<>5, r5c5<>6
Naked Single: r5c5=4
Naked Single: r4c5=5
Full House: r7c5=6
Full House: r4c8=4
Naked Single: r5c1=6
Full House: r6c1=4
Naked Single: r5c4=9
Full House: r5c7=5
Full House: r6c8=9
Full House: r6c6=6
Full House: r7c6=9
Full House: r7c4=4
Full House: r2c7=9
Full House: r2c8=5
| 25 |
sudoku_54 | ...5..948...4..25654869217315.9.6832.9.8.5461...2..795965728314...359627.2.164589 | 672513948319487256548692173154976832297835461836241795965728314481359627723164589 | sudoku_54 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . . . 5 . . 9 4 8
. . . 4 . . 2 5 6
5 4 8 6 9 2 1 7 3
1 5 . 9 . 6 8 3 2
. 9 . 8 . 5 4 6 1
. . . 2 . . 7 9 5
9 6 5 7 2 8 3 1 4
. . . 3 5 9 6 2 7
. 2 . 1 6 4 5 8 9 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 672513948319487256548692173154976832297835461836241795965728314481359627723164589 #1 Medium (220)
Hidden Single: r2c3=9
Hidden Single: r2c5=8
Locked Candidates Type 1 (Pointing): 7 in b5 => r1c5<>7
Locked Candidates Type 2 (Claiming): 7 in c2 => r1c13,r2c1<>7
Naked Single: r2c1=3
Naked Single: r9c1=7
Full House: r9c3=3
Naked Single: r5c1=2
Naked Single: r1c1=6
Naked Single: r5c3=7
Full House: r5c5=3
Naked Single: r4c3=4
Full House: r4c5=7
Naked Single: r1c5=1
Full House: r6c5=4
Full House: r6c6=1
Naked Single: r6c1=8
Full House: r8c1=4
Naked Single: r6c3=6
Full House: r6c2=3
Naked Single: r8c3=1
Full House: r1c3=2
Full House: r8c2=8
Naked Single: r1c2=7
Full House: r1c6=3
Full House: r2c6=7
Full House: r2c2=1
| 25 |
sudoku_55 | 7.5.2...3326.9...81.8.7...2457982631831.6.294962134857213.5...967481.325589.4...6 | 795628143326491578148375962457982631831567294962134857213756489674819325589243716 | sudoku_55 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 7 . 5 . 2 . . . 3
3 2 6 . 9 . . . 8
1 . 8 . 7 . . . 2
4 5 7 9 8 2 6 3 1
8 3 1 . 6 . 2 9 4
9 6 2 1 3 4 8 5 7
2 1 3 . 5 . . . 9
6 7 4 8 1 . 3 2 5
5 8 9 . 4 . . . 6 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 795628143326491578148375962457982631831567294962134857213756489674819325589243716 #1 Hard (270)
Full House: r8c6=9
Hidden Single: r1c6=8
Hidden Single: r7c8=8
Hidden Single: r9c4=2
Hidden Single: r2c6=1
Hidden Single: r7c7=4
Hidden Single: r9c6=3
Hidden Single: r3c4=3
Bivalue Universal Grave + 1 => r1c8<>1, r1c8<>6
Naked Single: r1c8=4
Naked Single: r1c2=9
Full House: r3c2=4
Naked Single: r1c4=6
Full House: r1c7=1
Naked Single: r2c8=7
Naked Single: r3c8=6
Full House: r9c8=1
Full House: r9c7=7
Naked Single: r3c6=5
Full House: r2c4=4
Full House: r2c7=5
Full House: r3c7=9
Naked Single: r7c4=7
Full House: r5c4=5
Full House: r5c6=7
Full House: r7c6=6
| 25 |
sudoku_56 | 4.92685.3..63594.22537.19..847.32..9391.872..625194837..891.32.93247......482379. | 419268573786359412253741968847632159391587246625194837578916324932475681164823795 | sudoku_56 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 4 . 9 2 6 8 5 . 3
. . 6 3 5 9 4 . 2
2 5 3 7 . 1 9 . .
8 4 7 . 3 2 . . 9
3 9 1 . 8 7 2 . .
6 2 5 1 9 4 8 3 7
. . 8 9 1 . 3 2 .
9 3 2 4 7 . . . .
. . 4 8 2 3 7 9 . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 419268573786359412253741968847632159391587246625194837578916324932475681164823795 #1 Medium (190)
Full House: r3c5=4
Hidden Single: r2c2=8
Hidden Single: r7c9=4
Hidden Single: r5c8=4
Locked Candidates Type 1 (Pointing): 1 in b3 => r48c8<>1
Hidden Single: r4c7=1
Full House: r8c7=6
Naked Single: r8c6=5
Full House: r7c6=6
Naked Single: r8c8=8
Full House: r8c9=1
Full House: r9c9=5
Naked Single: r7c2=7
Full House: r7c1=5
Naked Single: r3c8=6
Full House: r3c9=8
Full House: r5c9=6
Full House: r4c8=5
Full House: r5c4=5
Full House: r4c4=6
Naked Single: r9c1=1
Full House: r2c1=7
Full House: r1c2=1
Full House: r9c2=6
Full House: r2c8=1
Full House: r1c8=7
| 25 |
sudoku_57 | 3698254714187..52.25714..3887.46..955....8.6793651728478..5..1.195.7.8436...8.75. | 369825471418739526257146938872463195541298367936517284783954612195672843624381759 | sudoku_57 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 3 6 9 8 2 5 4 7 1
4 1 8 7 . . 5 2 .
2 5 7 1 4 . . 3 8
8 7 . 4 6 . . 9 5
5 . . . . 8 . 6 7
9 3 6 5 1 7 2 8 4
7 8 . . 5 . . 1 .
1 9 5 . 7 . 8 4 3
6 . . . 8 . 7 5 . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 369825471418739526257146938872463195541298367936517284783954612195672843624381759 #1 Medium (170)
Hidden Single: r9c6=1
Hidden Single: r7c6=4
Locked Candidates Type 1 (Pointing): 6 in b2 => r8c6<>6
Naked Single: r8c6=2
Full House: r8c4=6
Naked Single: r4c6=3
Naked Single: r4c7=1
Full House: r4c3=2
Full House: r5c7=3
Naked Single: r5c5=9
Full House: r2c5=3
Full House: r5c4=2
Naked Single: r5c2=4
Full House: r5c3=1
Full House: r9c2=2
Naked Single: r7c3=3
Full House: r9c3=4
Naked Single: r9c9=9
Full House: r9c4=3
Full House: r7c4=9
Naked Single: r2c9=6
Full House: r2c6=9
Full House: r3c7=9
Full House: r7c7=6
Full House: r7c9=2
Full House: r3c6=6
| 25 |
sudoku_58 | 84532.961762..1354139456728....6.19.9.6.1.4...1....6.7651...8733846752192971..546 | 845327961762981354139456728573864192926713485418592637651249873384675219297138546 | sudoku_58 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 8 4 5 3 2 . 9 6 1
7 6 2 . . 1 3 5 4
1 3 9 4 5 6 7 2 8
. . . . 6 . 1 9 .
9 . 6 . 1 . 4 . .
. 1 . . . . 6 . 7
6 5 1 . . . 8 7 3
3 8 4 6 7 5 2 1 9
2 9 7 1 . . 5 4 6 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 845327961762981354139456728573864192926713485418592637651249873384675219297138546 #1 Medium (280)
Full House: r1c6=7
Locked Candidates Type 2 (Claiming): 2 in r6 => r4c46,r5c46<>2
Naked Pair: 3,8 in r5c68 => r5c4<>8
Naked Pair: 3,8 in r6c38 => r6c456<>8, r6c56<>3
Hidden Single: r9c5=3
Full House: r9c6=8
Naked Single: r5c6=3
Naked Single: r4c6=4
Naked Single: r5c8=8
Full House: r6c8=3
Naked Single: r4c1=5
Full House: r6c1=4
Naked Single: r6c5=9
Naked Single: r6c3=8
Full House: r4c3=3
Naked Single: r4c9=2
Full House: r5c9=5
Naked Single: r2c5=8
Full House: r7c5=4
Full House: r2c4=9
Naked Single: r6c6=2
Full House: r6c4=5
Full House: r7c6=9
Full House: r7c4=2
Naked Single: r4c2=7
Full House: r4c4=8
Full House: r5c4=7
Full House: r5c2=2
| 25 |
sudoku_59 | ......195175694823....15467547169238329458671816723549..3.4198.......71..81.7.35. | 634287195175694823298315467547169238329458671816723549763541982952836714481972356 | sudoku_59 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . . . . . . 1 9 5
1 7 5 6 9 4 8 2 3
. . . . 1 5 4 6 7
5 4 7 1 6 9 2 3 8
3 2 9 4 5 8 6 7 1
8 1 6 7 2 3 5 4 9
. . 3 . 4 1 9 8 .
. . . . . . 7 1 .
. 8 1 . 7 . 3 5 . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 634287195175694823298315467547169238329458671816723549763541982952836714481972356 #1 Medium (170)
Hidden Single: r7c1=7
Hidden Single: r1c6=7
Locked Candidates Type 1 (Pointing): 2 in b2 => r789c4<>2
Naked Single: r7c4=5
Naked Single: r9c4=9
Naked Single: r7c2=6
Full House: r7c9=2
Naked Single: r1c2=3
Naked Single: r1c5=8
Full House: r8c5=3
Naked Single: r3c2=9
Full House: r8c2=5
Naked Single: r1c4=2
Full House: r3c4=3
Full House: r8c4=8
Naked Single: r3c1=2
Full House: r3c3=8
Naked Single: r1c3=4
Full House: r1c1=6
Full House: r8c3=2
Naked Single: r9c1=4
Full House: r8c1=9
Naked Single: r8c6=6
Full House: r8c9=4
Full House: r9c9=6
Full House: r9c6=2
| 25 |
sudoku_60 | 187624935.49..1...65...94.1.94162..3.1...8..6.68.45...436297518825416379971853..4 | 187624935349581762652739481794162853513978246268345197436297518825416379971853624 | sudoku_60 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 8 7 6 2 4 9 3 5
. 4 9 . . 1 . . .
6 5 . . . 9 4 . 1
. 9 4 1 6 2 . . 3
. 1 . . . 8 . . 6
. 6 8 . 4 5 . . .
4 3 6 2 9 7 5 1 8
8 2 5 4 1 6 3 7 9
9 7 1 8 5 3 . . 4 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 187624935349581762652739481794162853513978246268345197436297518825416379971853624 #1 Hard (454)
Hidden Single: r5c8=4
Hidden Single: r6c7=1
Hidden Single: r2c4=5
Hidden Single: r5c1=5
Naked Single: r4c1=7
Naked Single: r4c7=8
Full House: r4c8=5
Hidden Single: r5c4=9
Hidden Single: r6c8=9
Locked Candidates Type 1 (Pointing): 7 in b3 => r2c5<>7
X-Wing: 2 c19 r26 => r2c78<>2
Bivalue Universal Grave + 1 => r3c5<>7, r3c5<>8
Naked Single: r3c5=3
Naked Single: r2c5=8
Full House: r3c4=7
Full House: r5c5=7
Full House: r6c4=3
Naked Single: r3c3=2
Full House: r2c1=3
Full House: r6c1=2
Full House: r3c8=8
Full House: r5c3=3
Full House: r5c7=2
Full House: r6c9=7
Full House: r2c9=2
Naked Single: r2c8=6
Full House: r2c7=7
Full House: r9c7=6
Full House: r9c8=2
| 26 |
sudoku_61 | .95...6.4863.2.5.1741...2.3.2....15915.9.28366395187429142..365386...9275723..418 | 295731684863429571741865293428673159157942836639518742914287365386154927572396418 | sudoku_61 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . 9 5 . . . 6 . 4
8 6 3 . 2 . 5 . 1
7 4 1 . . . 2 . 3
. 2 . . . . 1 5 9
1 5 . 9 . 2 8 3 6
6 3 9 5 1 8 7 4 2
9 1 4 2 . . 3 6 5
3 8 6 . . . 9 2 7
5 7 2 3 . . 4 1 8 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 295731684863429571741865293428673159157942836639518742914287365386154927572396418 #1 Hard (274)
Full House: r1c1=2
Full House: r4c1=4
Naked Single: r5c3=7
Full House: r4c3=8
Full House: r5c5=4
Naked Single: r7c6=7
Full House: r7c5=8
Naked Single: r8c5=5
Hidden Single: r3c6=5
Naked Pair: 6,9 in r39c5 => r4c5<>6
Bivalue Universal Grave + 1 => r1c4<>1, r1c4<>8
Naked Single: r1c4=7
Naked Single: r1c5=3
Naked Single: r1c8=8
Full House: r1c6=1
Naked Single: r2c4=4
Naked Single: r4c4=6
Naked Single: r4c5=7
Full House: r4c6=3
Naked Single: r3c8=9
Full House: r2c8=7
Full House: r2c6=9
Naked Single: r8c6=4
Full House: r8c4=1
Full House: r3c4=8
Full House: r3c5=6
Full House: r9c6=6
Full House: r9c5=9
| 26 |
sudoku_62 | 128439..75642781399731658423...2..9....893.2.492516378..938.2..8..95.7.323..4.98. | 128439657564278139973165842386724591715893426492516378659387214841952763237641985 | sudoku_62 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 2 8 4 3 9 . . 7
5 6 4 2 7 8 1 3 9
9 7 3 1 6 5 8 4 2
3 . . . 2 . . 9 .
. . . 8 9 3 . 2 .
4 9 2 5 1 6 3 7 8
. . 9 3 8 . 2 . .
8 . . 9 5 . 7 . 3
2 3 . . 4 . 9 8 . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 128439657564278139973165842386724591715893426492516378659387214841952763237641985 #1 Medium (224)
Naked Single: r4c4=7
Full House: r4c6=4
Full House: r9c4=6
Hidden Single: r4c2=8
Hidden Single: r8c6=2
Hidden Single: r8c2=4
Hidden Single: r7c9=4
Hidden Single: r5c7=4
Locked Candidates Type 1 (Pointing): 1 in b6 => r9c9<>1
Naked Single: r9c9=5
Hidden Single: r4c7=5
Full House: r1c7=6
Full House: r1c8=5
Hidden Single: r7c2=5
Full House: r5c2=1
Naked Single: r4c3=6
Full House: r4c9=1
Full House: r5c9=6
Naked Single: r5c1=7
Full House: r5c3=5
Full House: r7c1=6
Naked Single: r8c3=1
Full House: r8c8=6
Full House: r7c8=1
Full House: r9c3=7
Full House: r7c6=7
Full House: r9c6=1
| 26 |
sudoku_63 | 1........5.....6......694..671954238...136975953827164418695.2.395742816726381549 | 169478352584213697237569481671954238842136975953827164418695723395742816726381549 | sudoku_63 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 . . . . . . . .
5 . . . . . 6 . .
. . . . 6 9 4 . .
6 7 1 9 5 4 2 3 8
. . . 1 3 6 9 7 5
9 5 3 8 2 7 1 6 4
4 1 8 6 9 5 . 2 .
3 9 5 7 4 2 8 1 6
7 2 6 3 8 1 5 4 9 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 169478352584213697237569481671954238842136975953827164418695723395742816726381549 #1 Hard (234)
Naked Single: r1c5=7
Full House: r2c5=1
Naked Single: r1c7=3
Full House: r7c7=7
Full House: r7c9=3
Naked Single: r1c6=8
Full House: r2c6=3
Naked Single: r1c9=2
Naked Single: r2c9=7
Full House: r3c9=1
Hidden Single: r1c2=6
Hidden Single: r3c2=3
Hidden Single: r3c3=7
Bivalue Universal Grave + 1 => r2c3<>2, r2c3<>9
Naked Single: r2c3=4
Naked Single: r1c3=9
Full House: r5c3=2
Naked Single: r2c2=8
Full House: r3c1=2
Full House: r5c1=8
Full House: r5c2=4
Naked Single: r2c4=2
Full House: r2c8=9
Naked Single: r1c8=5
Full House: r1c4=4
Full House: r3c4=5
Full House: r3c8=8
| 26 |
sudoku_64 | 7.652413..1.37..4.24318.57.3..851.6716749..5....76...167.945..343821769595.6387.4 | 786524139519376842243189576324851967167492358895763421671945283438217695952638714 | sudoku_64 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 7 . 6 5 2 4 1 3 .
. 1 . 3 7 . . 4 .
2 4 3 1 8 . 5 7 .
3 . . 8 5 1 . 6 7
1 6 7 4 9 . . 5 .
. . . 7 6 . . . 1
6 7 . 9 4 5 . . 3
4 3 8 2 1 7 6 9 5
9 5 . 6 3 8 7 . 4 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 786524139519376842243189576324851967167492358895763421671945283438217695952638714 #1 Medium (154)
Locked Candidates Type 1 (Pointing): 8 in b4 => r6c78<>8
Naked Single: r6c8=2
Naked Single: r5c9=8
Naked Single: r6c6=3
Full House: r5c6=2
Full House: r5c7=3
Naked Single: r9c8=1
Full House: r7c8=8
Full House: r9c3=2
Full House: r7c7=2
Full House: r7c3=1
Naked Single: r1c9=9
Full House: r1c2=8
Naked Single: r2c7=8
Naked Single: r3c9=6
Full House: r2c9=2
Full House: r3c6=9
Full House: r2c6=6
Naked Single: r2c1=5
Full House: r2c3=9
Full House: r6c1=8
Naked Single: r6c2=9
Full House: r4c2=2
Naked Single: r4c3=4
Full House: r4c7=9
Full House: r6c7=4
Full House: r6c3=5
| 26 |
sudoku_65 | 29135.6487568..923384629175.287....416........4.......875193462439268...612475839 | 291357648756841923384629175928736514163584297547912386875193462439268751612475839 | sudoku_65 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 2 9 1 3 5 . 6 4 8
7 5 6 8 . . 9 2 3
3 8 4 6 2 9 1 7 5
. 2 8 7 . . . . 4
1 6 . . . . . . .
. 4 . . . . . . .
8 7 5 1 9 3 4 6 2
4 3 9 2 6 8 . . .
6 1 2 4 7 5 8 3 9 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 291357648756841923384629175928736514163584297547912386875193462439268751612475839 #1 Hard (274)
Full House: r1c6=7
Naked Single: r5c9=7
Naked Single: r5c3=3
Full House: r6c3=7
Naked Single: r8c9=1
Full House: r6c9=6
Naked Single: r8c8=5
Full House: r8c7=7
Hidden Single: r4c6=6
Naked Pair: 5,9 in r6c14 => r6c7<>5, r6c8<>9
Bivalue Universal Grave + 1 => r6c5<>3, r6c5<>8
Naked Single: r6c5=1
Naked Single: r2c5=4
Full House: r2c6=1
Naked Single: r4c5=3
Full House: r5c5=8
Naked Single: r6c6=2
Full House: r5c6=4
Naked Single: r6c8=8
Naked Single: r4c7=5
Naked Single: r5c8=9
Full House: r4c8=1
Full House: r4c1=9
Full House: r6c1=5
Naked Single: r6c7=3
Full House: r5c7=2
Full House: r5c4=5
Full House: r6c4=9
| 26 |
sudoku_66 | 6..823147.8.614529.1.5976835..361278.3.752496...489351....7596...6.3871.9...4683. | 695823147387614529214597683549361278138752496762489351823175964456938712971246835 | sudoku_66 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 6 . . 8 2 3 1 4 7
. 8 . 6 1 4 5 2 9
. 1 . 5 9 7 6 8 3
5 . . 3 6 1 2 7 8
. 3 . 7 5 2 4 9 6
. . . 4 8 9 3 5 1
. . . . 7 5 9 6 .
. . 6 . 3 8 7 1 .
9 . . . 4 6 8 3 . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 695823147387614529214597683549361278138752496762489351823175964456938712971246835 #1 Medium (184)
Hidden Single: r6c2=6
Hidden Single: r8c4=9
Hidden Single: r9c2=7
Locked Candidates Type 2 (Claiming): 2 in c2 => r7c13,r8c1,r9c3<>2
Naked Single: r8c1=4
Naked Single: r3c1=2
Full House: r3c3=4
Naked Single: r7c2=2
Naked Single: r6c1=7
Full House: r6c3=2
Naked Single: r4c3=9
Full House: r4c2=4
Naked Single: r7c4=1
Full House: r9c4=2
Naked Single: r7c9=4
Naked Single: r8c2=5
Full House: r1c2=9
Full House: r1c3=5
Full House: r8c9=2
Full House: r9c9=5
Full House: r9c3=1
Naked Single: r2c1=3
Full House: r2c3=7
Naked Single: r5c3=8
Full House: r5c1=1
Full House: r7c1=8
Full House: r7c3=3
| 26 |
sudoku_67 | 1.6.8...35.3..1..47.9.236.1214......938264..7657318249462957..8895136472371842... | 146589723523671894789423651214795386938264517657318249462957138895136472371842965 | sudoku_67 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 . 6 . 8 . . . 3
5 . 3 . . 1 . . 4
7 . 9 . 2 3 6 . 1
2 1 4 . . . . . .
9 3 8 2 6 4 . . 7
6 5 7 3 1 8 2 4 9
4 6 2 9 5 7 . . 8
8 9 5 1 3 6 4 7 2
3 7 1 8 4 2 . . . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 146589723523671894789423651214795386938264517657318249462957138895136472371842965 #1 Hard (344)
Hidden Single: r2c4=6
Locked Candidates Type 1 (Pointing): 5 in b5 => r4c789<>5
Naked Single: r4c9=6
Full House: r9c9=5
Naked Single: r9c7=9
Full House: r9c8=6
Naked Triple: 5,7,8 in r12c7,r3c8 => r1c8<>5, r2c8<>8
Bivalue Universal Grave + 1 => r1c4<>4, r1c4<>7
Naked Single: r1c4=5
Naked Single: r1c6=9
Full House: r4c6=5
Naked Single: r1c7=7
Naked Single: r3c4=4
Full House: r4c4=7
Full House: r2c5=7
Full House: r4c5=9
Naked Single: r1c8=2
Full House: r1c2=4
Naked Single: r2c7=8
Naked Single: r3c2=8
Full House: r2c2=2
Full House: r2c8=9
Full House: r3c8=5
Naked Single: r4c7=3
Full House: r4c8=8
Naked Single: r5c8=1
Full House: r5c7=5
Full House: r7c7=1
Full House: r7c8=3
| 26 |
sudoku_68 | 437859126.196725346..3149879714..352546123798283795461.98....1.......87........4. | 437859126819672534652314987971468352546123798283795461398247615124536879765981243 | sudoku_68 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 4 3 7 8 5 9 1 2 6
. 1 9 6 7 2 5 3 4
6 . . 3 1 4 9 8 7
9 7 1 4 . . 3 5 2
5 4 6 1 2 3 7 9 8
2 8 3 7 9 5 4 6 1
. 9 8 . . . . 1 .
. . . . . . 8 7 .
. . . . . . . 4 . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 437859126819672534652314987971468352546123798283795461398247615124536879765981243 #1 Medium (214)
Full House: r2c1=8
Hidden Single: r7c5=4
Hidden Single: r8c3=4
Naked Triple: 1,3,6 in r8c156 => r8c2<>6, r8c9<>3
Hidden Single: r9c2=6
Naked Single: r9c7=2
Full House: r7c7=6
Naked Single: r9c3=5
Full House: r3c3=2
Full House: r3c2=5
Full House: r8c2=2
Naked Single: r7c6=7
Naked Single: r9c4=9
Naked Single: r7c1=3
Naked Single: r8c4=5
Full House: r7c4=2
Full House: r7c9=5
Naked Single: r9c9=3
Full House: r8c9=9
Naked Single: r8c1=1
Full House: r9c1=7
Naked Single: r9c5=8
Full House: r9c6=1
Naked Single: r8c6=6
Full House: r4c6=8
Full House: r4c5=6
Full House: r8c5=3
| 26 |
sudoku_69 | 3..28....2........875164932143....29629...7.158791234643879..65752436198961825.7. | 314289657296357814875164932143678529629543781587912346438791265752436198961825473 | sudoku_69 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 3 . . 2 8 . . . .
2 . . . . . . . .
8 7 5 1 6 4 9 3 2
1 4 3 . . . . 2 9
6 2 9 . . . 7 . 1
5 8 7 9 1 2 3 4 6
4 3 8 7 9 . . 6 5
7 5 2 4 3 6 1 9 8
9 6 1 8 2 5 . 7 . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 314289657296357814875164932143678529629543781587912346438791265752436198961825473 #1 Hard (274)
Full House: r7c6=1
Full House: r7c7=2
Naked Single: r9c7=4
Full House: r9c9=3
Hidden Single: r5c5=4
Hidden Single: r4c4=6
Locked Candidates Type 1 (Pointing): 5 in b2 => r2c78<>5
Bivalue Universal Grave + 1 => r2c6<>3, r2c6<>9
Naked Single: r2c6=7
Naked Single: r1c6=9
Naked Single: r2c5=5
Full House: r2c4=3
Full House: r4c5=7
Full House: r5c4=5
Naked Single: r2c9=4
Full House: r1c9=7
Naked Single: r4c6=8
Full House: r4c7=5
Full House: r5c8=8
Full House: r5c6=3
Naked Single: r1c2=1
Full House: r2c2=9
Naked Single: r2c3=6
Full House: r1c3=4
Naked Single: r1c7=6
Full House: r1c8=5
Full House: r2c8=1
Full House: r2c7=8
| 26 |
sudoku_70 | 795..63811869734..2435819766.....89.95.6.8.344.8...6..32486....861....43579134268 | 795246381186973452243581976632417895957628134418359627324865719861792543579134268 | sudoku_70 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 7 9 5 . . 6 3 8 1
1 8 6 9 7 3 4 . .
2 4 3 5 8 1 9 7 6
6 . . . . . 8 9 .
9 5 . 6 . 8 . 3 4
4 . 8 . . . 6 . .
3 2 4 8 6 . . . .
8 6 1 . . . . 4 3
5 7 9 1 3 4 2 6 8 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 795246381186973452243581976632417895957628134418359627324865719861792543579134268 #1 Medium (168)
Hidden Single: r7c9=9
Locked Candidates Type 1 (Pointing): 7 in b9 => r5c7<>7
Naked Single: r5c7=1
Naked Single: r5c5=2
Full House: r5c3=7
Full House: r4c3=2
Naked Single: r1c5=4
Full House: r1c4=2
Naked Single: r8c4=7
Naked Single: r6c4=3
Full House: r4c4=4
Naked Single: r7c6=5
Naked Single: r8c7=5
Full House: r7c7=7
Full House: r7c8=1
Naked Single: r6c2=1
Full House: r4c2=3
Naked Single: r4c6=7
Naked Single: r8c5=9
Full House: r8c6=2
Full House: r6c6=9
Naked Single: r4c9=5
Full House: r4c5=1
Full House: r6c5=5
Naked Single: r2c9=2
Full House: r2c8=5
Full House: r6c8=2
Full House: r6c9=7
| 27 |
sudoku_71 | 921387654784256193365941.8.5..........24....7........9473195826618724935259...471 | 921387654784256193365941782537619248192438567846572319473195826618724935259863471 | sudoku_71 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 9 2 1 3 8 7 6 5 4
7 8 4 2 5 6 1 9 3
3 6 5 9 4 1 . 8 .
5 . . . . . . . .
. . 2 4 . . . . 7
. . . . . . . . 9
4 7 3 1 9 5 8 2 6
6 1 8 7 2 4 9 3 5
2 5 9 . . . 4 7 1 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 921387654784256193365941782537619248192438567846572319473195826618724935259863471 #1 Hard (238)
Naked Single: r3c9=2
Full House: r3c7=7
Full House: r4c9=8
Naked Single: r4c4=6
Naked Single: r4c3=7
Full House: r6c3=6
Naked Single: r9c4=8
Full House: r6c4=5
Naked Single: r9c6=3
Full House: r9c5=6
Hidden Single: r5c7=5
Hidden Single: r5c8=6
Hidden Single: r6c5=7
Bivalue Universal Grave + 1 => r4c2<>4, r4c2<>9
Naked Single: r4c2=3
Naked Single: r4c5=1
Full House: r5c5=3
Naked Single: r4c7=2
Full House: r6c7=3
Naked Single: r5c2=9
Full House: r6c2=4
Naked Single: r4c8=4
Full House: r4c6=9
Full House: r6c8=1
Naked Single: r5c6=8
Full House: r5c1=1
Full House: r6c1=8
Full House: r6c6=2
| 27 |
sudoku_72 | 169534...328671..4745298.319128....6.83.......571....3871.....5596312487234785169 | 169534278328671954745298631912853746683947512457126893871469325596312487234785169 | sudoku_72 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 6 9 5 3 4 . . .
3 2 8 6 7 1 . . 4
7 4 5 2 9 8 . 3 1
9 1 2 8 . . . . 6
. 8 3 . . . . . .
. 5 7 1 . . . . 3
8 7 1 . . . . . 5
5 9 6 3 1 2 4 8 7
2 3 4 7 8 5 1 6 9 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 169534278328671954745298631912853746683947512457126893871469325596312487234785169 #1 Hard (268)
Full House: r3c7=6
Naked Single: r5c9=2
Full House: r1c9=8
Naked Single: r7c8=2
Full House: r7c7=3
Naked Single: r1c8=7
Full House: r1c7=2
Hidden Single: r4c6=3
Hidden Single: r6c7=8
Hidden Single: r5c8=1
Hidden Single: r6c5=2
Hidden Single: r4c7=7
Hidden Single: r5c6=7
Bivalue Universal Grave + 1 => r5c5<>5, r5c5<>6
Naked Single: r5c5=4
Naked Single: r4c5=5
Full House: r7c5=6
Full House: r4c8=4
Naked Single: r5c1=6
Full House: r6c1=4
Naked Single: r5c4=9
Full House: r5c7=5
Full House: r6c8=9
Full House: r6c6=6
Full House: r7c6=9
Full House: r7c4=4
Full House: r2c7=9
Full House: r2c8=5
| 27 |
sudoku_73 | 916.7.5..825943617437156...253.9..4.681.3...9794.2....342.8....179.6.485568419372 | 916278534825943617437156298253897146681534729794621853342785961179362485568419372 | sudoku_73 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 9 1 6 . 7 . 5 . .
8 2 5 9 4 3 6 1 7
4 3 7 1 5 6 . . .
2 5 3 . 9 . . 4 .
6 8 1 . 3 . . . 9
7 9 4 . 2 . . . .
3 4 2 . 8 . . . .
1 7 9 . 6 . 4 8 5
5 6 8 4 1 9 3 7 2 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 916278534825943617437156298253897146681534729794621853342785961179362485568419372 #1 Hard (288)
Naked Single: r8c6=2
Full House: r8c4=3
Naked Single: r3c9=8
Naked Single: r1c6=8
Full House: r1c4=2
Naked Single: r1c8=3
Full House: r1c9=4
Hidden Single: r5c6=4
Hidden Single: r6c9=3
Naked Pair: 5,7 in r57c4 => r4c4<>7, r6c4<>5
Bivalue Universal Grave + 1 => r4c7<>7, r4c7<>8
Naked Single: r4c7=1
Naked Single: r4c6=7
Naked Single: r4c9=6
Full House: r4c4=8
Full House: r7c9=1
Naked Single: r6c7=8
Naked Single: r7c7=9
Full House: r7c8=6
Naked Single: r5c4=5
Naked Single: r7c6=5
Full House: r6c6=1
Full House: r6c4=6
Full House: r6c8=5
Full House: r7c4=7
Naked Single: r3c7=2
Full House: r3c8=9
Full House: r5c8=2
Full House: r5c7=7
| 27 |
sudoku_74 | ...798..2247531689198624735.....2..77..165....1...7...954216378376859...821473596 | 635798412247531689198624735469382157783165924512947863954216378376859241821473596 | sudoku_74 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . . . 7 9 8 . . 2
2 4 7 5 3 1 6 8 9
1 9 8 6 2 4 7 3 5
. . . . . 2 . . 7
7 . . 1 6 5 . . .
. 1 . . . 7 . . .
9 5 4 2 1 6 3 7 8
3 7 6 8 5 9 . . .
8 2 1 4 7 3 5 9 6 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 635798412247531689198624735469382157783165924512947863954216378376859241821473596 #1 Medium (168)
Hidden Single: r8c9=1
Locked Candidates Type 2 (Claiming): 4 in r5 => r4c78,r6c789<>4
Naked Single: r6c9=3
Full House: r5c9=4
Naked Single: r6c4=9
Full House: r4c4=3
Naked Single: r5c8=2
Naked Single: r6c7=8
Naked Single: r8c8=4
Full House: r8c7=2
Naked Single: r5c7=9
Naked Single: r6c5=4
Full House: r4c5=8
Naked Single: r1c8=1
Full House: r1c7=4
Full House: r4c7=1
Naked Single: r5c3=3
Full House: r5c2=8
Naked Single: r4c2=6
Full House: r1c2=3
Naked Single: r1c3=5
Full House: r1c1=6
Naked Single: r4c8=5
Full House: r6c8=6
Naked Single: r6c1=5
Full House: r6c3=2
Full House: r4c3=9
Full House: r4c1=4
| 27 |
sudoku_75 | 21593846.683.5721.794126385348519.2.172364598956872143....4..3........5....6...7. | 215938467683457219794126385348519726172364598956872143867245931439781652521693874 | sudoku_75 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 2 1 5 9 3 8 4 6 .
6 8 3 . 5 7 2 1 .
7 9 4 1 2 6 3 8 5
3 4 8 5 1 9 . 2 .
1 7 2 3 6 4 5 9 8
9 5 6 8 7 2 1 4 3
. . . . 4 . . 3 .
. . . . . . . 5 .
. . . 6 . . . 7 . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 215938467683457219794126385348519726172364598956872143867245931439781652521693874 #1 Hard (378)
Full House: r1c9=7
Full House: r2c4=4
Full House: r2c9=9
Naked Single: r4c9=6
Full House: r4c7=7
Naked Pair: 8,9 in r9c57 => r9c1<>8, r9c3<>9
Naked Single: r9c3=1
Uniqueness Test 1: 8/9 in r8c57,r9c57 => r8c7<>8, r8c7<>9
Naked Single: r8c7=6
Hidden Single: r7c2=6
Bivalue Universal Grave + 1 => r8c9<>1, r8c9<>4
Naked Single: r8c9=2
Naked Single: r7c9=1
Full House: r9c9=4
Naked Single: r8c2=3
Full House: r9c2=2
Naked Single: r8c4=7
Full House: r7c4=2
Naked Single: r7c6=5
Naked Single: r9c1=5
Naked Single: r8c6=1
Full House: r9c6=3
Naked Single: r8c3=9
Full House: r7c3=7
Naked Single: r7c1=8
Full House: r7c7=9
Full House: r8c1=4
Full House: r8c5=8
Full House: r9c7=8
Full House: r9c5=9
| 27 |
sudoku_76 | 2539468174761823591893.7426.6.4....2.9.62.....4.5.3...6342197859187.5...5278.4... | 253946817476182359189357426865471932391628574742593168634219785918765243527834691 | sudoku_76 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 2 5 3 9 4 6 8 1 7
4 7 6 1 8 2 3 5 9
1 8 9 3 . 7 4 2 6
. 6 . 4 . . . . 2
. 9 . 6 2 . . . .
. 4 . 5 . 3 . . .
6 3 4 2 1 9 7 8 5
9 1 8 7 . 5 . . .
5 2 7 8 . 4 . . . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 253946817476182359189357426865471932391628574742593168634219785918765243527834691 #1 Medium (178)
Full House: r3c5=5
Hidden Single: r6c3=2
Hidden Single: r8c7=2
Locked Candidates Type 2 (Claiming): 1 in r6 => r45c7,r5c9<>1
Naked Single: r5c7=5
Naked Single: r4c7=9
Naked Single: r5c3=1
Full House: r4c3=5
Naked Single: r4c5=7
Naked Single: r5c6=8
Full House: r4c6=1
Full House: r6c5=9
Naked Single: r4c8=3
Full House: r4c1=8
Naked Single: r5c9=4
Naked Single: r6c1=7
Full House: r5c1=3
Full House: r5c8=7
Naked Single: r8c9=3
Naked Single: r6c8=6
Naked Single: r8c5=6
Full House: r8c8=4
Full House: r9c8=9
Full House: r9c5=3
Naked Single: r9c9=1
Full House: r6c9=8
Full House: r6c7=1
Full House: r9c7=6
| 27 |
sudoku_77 | 7..984.5....273196...516.8.259638714...425938438197562...36.879...74.32.3..85.641 | 761984253584273196923516487259638714617425938438197562145362879896741325372859641 | sudoku_77 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 7 . . 9 8 4 . 5 .
. . . 2 7 3 1 9 6
. . . 5 1 6 . 8 .
2 5 9 6 3 8 7 1 4
. . . 4 2 5 9 3 8
4 3 8 1 9 7 5 6 2
. . . 3 6 . 8 7 9
. . . 7 4 . 3 2 .
3 . . 8 5 . 6 4 1 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 761984253584273196923516487259638714617425938438197562145362879896741325372859641 #1 Medium (168)
Full House: r8c9=5
Naked Single: r1c9=3
Full House: r3c9=7
Naked Single: r1c7=2
Full House: r3c7=4
Naked Single: r3c1=9
Naked Single: r3c2=2
Full House: r3c3=3
Naked Pair: 1,6 in r18c3 => r57c3<>1, r5c3<>6
Naked Single: r5c3=7
Naked Single: r9c3=2
Naked Single: r9c6=9
Full House: r9c2=7
Naked Single: r8c6=1
Full House: r7c6=2
Naked Single: r8c3=6
Naked Single: r1c3=1
Full House: r1c2=6
Naked Single: r8c1=8
Full House: r8c2=9
Naked Single: r5c2=1
Full House: r5c1=6
Naked Single: r2c1=5
Full House: r7c1=1
Naked Single: r7c2=4
Full House: r2c2=8
Full House: r2c3=4
Full House: r7c3=5
| 27 |
sudoku_78 | 8..691372693257841217..869597.12..8.182.7.......8.9217729564138..178....5.891.7.. | 845691372693257841217438695974126583182375469356849217729564138431782956568913724 | sudoku_78 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 8 . . 6 9 1 3 7 2
6 9 3 2 5 7 8 4 1
2 1 7 . . 8 6 9 5
9 7 . 1 2 . . 8 .
1 8 2 . 7 . . . .
. . . 8 . 9 2 1 7
7 2 9 5 6 4 1 3 8
. . 1 7 8 . . . .
5 . 8 9 1 . 7 . . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 845691372693257841217438695974126583182375469356849217729564138431782956568913724 #1 Medium (168)
Locked Candidates Type 1 (Pointing): 3 in b4 => r6c5<>3
Naked Single: r6c5=4
Full House: r3c5=3
Full House: r3c4=4
Full House: r5c4=3
Naked Single: r6c1=3
Full House: r8c1=4
Hidden Single: r4c3=4
Naked Single: r1c3=5
Full House: r1c2=4
Full House: r6c3=6
Full House: r6c2=5
Naked Single: r4c7=5
Naked Single: r4c6=6
Full House: r4c9=3
Full House: r5c6=5
Naked Single: r5c8=6
Naked Single: r8c7=9
Full House: r5c7=4
Full House: r5c9=9
Naked Single: r9c8=2
Full House: r8c8=5
Naked Single: r8c9=6
Full House: r9c9=4
Naked Single: r9c6=3
Full House: r8c6=2
Full House: r8c2=3
Full House: r9c2=6
| 27 |
sudoku_79 | 958132764364587921127......7.582.6..68....2..2.......88312465..476958132592713..6 | 958132764364587921127694385745829613683471259219365478831246597476958132592713846 | sudoku_79 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 9 5 8 1 3 2 7 6 4
3 6 4 5 8 7 9 2 1
1 2 7 . . . . . .
7 . 5 8 2 . 6 . .
6 8 . . . . 2 . .
2 . . . . . . . 8
8 3 1 2 4 6 5 . .
4 7 6 9 5 8 1 3 2
5 9 2 7 1 3 . . 6 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 958132764364587921127694385745829613683471259219365478831246597476958132592713846 #1 Medium (178)
Hidden Single: r4c9=3
Naked Single: r3c9=5
Naked Single: r6c7=4
Naked Single: r3c8=8
Full House: r3c7=3
Full House: r9c7=8
Full House: r9c8=4
Naked Single: r6c2=1
Full House: r4c2=4
Naked Pair: 7,9 in r5c59 => r5c368<>9, r5c8<>7
Naked Single: r5c3=3
Full House: r6c3=9
Naked Single: r5c4=4
Naked Single: r6c6=5
Naked Single: r3c4=6
Full House: r6c4=3
Naked Single: r5c6=1
Naked Single: r6c8=7
Full House: r6c5=6
Naked Single: r3c5=9
Full House: r3c6=4
Full House: r4c6=9
Full House: r5c5=7
Full House: r4c8=1
Naked Single: r5c8=5
Full House: r5c9=9
Full House: r7c8=9
Full House: r7c9=7
| 27 |
sudoku_80 | ..2.....6..6.......48637.292653..9874198752638379...1.75429..389237.8.4.681453792 | 372149856196582374548637129265314987419875263837926415754291638923768541681453792 | sudoku_80 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . . 2 . . . . . 6
. . 6 . . . . . .
. 4 8 6 3 7 . 2 9
2 6 5 3 . . 9 8 7
4 1 9 8 7 5 2 6 3
8 3 7 9 . . . 1 .
7 5 4 2 9 . . 3 8
9 2 3 7 . 8 . 4 .
6 8 1 4 5 3 7 9 2 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 372149856196582374548637129265314987419875263837926415754291638923768541681453792 #1 Medium (262)
Locked Candidates Type 1 (Pointing): 4 in b6 => r6c56<>4
Locked Candidates Type 2 (Claiming): 1 in c4 => r1c56,r2c56<>1
Locked Candidates Type 2 (Claiming): 5 in c8 => r123c7,r2c9<>5
Naked Single: r3c7=1
Full House: r3c1=5
Naked Single: r2c9=4
Naked Single: r7c7=6
Full House: r7c6=1
Full House: r8c5=6
Naked Single: r6c9=5
Full House: r6c7=4
Full House: r8c9=1
Full House: r8c7=5
Naked Single: r4c6=4
Full House: r4c5=1
Naked Single: r6c5=2
Full House: r6c6=6
Naked Single: r1c6=9
Full House: r2c6=2
Naked Single: r2c5=8
Full House: r1c5=4
Naked Single: r1c2=7
Full House: r2c2=9
Naked Single: r2c7=3
Full House: r1c7=8
Naked Single: r1c8=5
Full House: r2c8=7
Naked Single: r2c1=1
Full House: r1c1=3
Full House: r1c4=1
Full House: r2c4=5
| 28 |
sudoku_81 | ...8.71...876.15.316.45378..9.1..457...7..918...9..326845376291623519874...284635 | 534827169287691543169453782392168457456732918718945326845376291623519874971284635 | sudoku_81 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . . . 8 . 7 1 . .
. 8 7 6 . 1 5 . 3
1 6 . 4 5 3 7 8 .
. 9 . 1 . . 4 5 7
. . . 7 . . 9 1 8
. . . 9 . . 3 2 6
8 4 5 3 7 6 2 9 1
6 2 3 5 1 9 8 7 4
. . . 2 8 4 6 3 5 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 534827169287691543169453782392168457456732918718945326845376291623519874971284635 #1 Hard (392)
Naked Single: r2c8=4
Full House: r1c8=6
Naked Single: r6c5=4
Locked Candidates Type 1 (Pointing): 2 in b2 => r45c5<>2
Naked Pair: 2,9 in r2c1,r3c3 => r1c13<>2, r1c13<>9
Naked Single: r1c3=4
Hidden Single: r5c1=4
Naked Pair: 3,5 in r15c2 => r6c2<>5
Bivalue Universal Grave + 1 => r4c3<>6, r4c3<>8
Naked Single: r4c3=2
Naked Single: r3c3=9
Full House: r3c9=2
Full House: r1c9=9
Naked Single: r4c1=3
Naked Single: r4c6=8
Full House: r4c5=6
Naked Single: r5c3=6
Naked Single: r2c1=2
Full House: r2c5=9
Full House: r1c5=2
Full House: r5c5=3
Naked Single: r9c3=1
Full House: r6c3=8
Naked Single: r1c1=5
Full House: r1c2=3
Naked Single: r5c2=5
Full House: r5c6=2
Full House: r6c6=5
Naked Single: r9c2=7
Full House: r6c2=1
Full House: r6c1=7
Full House: r9c1=9
| 28 |
sudoku_82 | .8274.659.452..8177....5423..8354..6.34672581576...3424.3527..885.13.2.4...4.8.35 | 182743659345269817769815423218354976934672581576981342493527168857136294621498735 | sudoku_82 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . 8 2 7 4 . 6 5 9
. 4 5 2 . . 8 1 7
7 . . . . 5 4 2 3
. . 8 3 5 4 . . 6
. 3 4 6 7 2 5 8 1
5 7 6 . . . 3 4 2
4 . 3 5 2 7 . . 8
8 5 . 1 3 . 2 . 4
. . . 4 . 8 . 3 5 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 182743659345269817769815423218354976934672581576981342493527168857136294621498735 #1 Medium (162)
Full House: r5c1=9
Locked Candidates Type 1 (Pointing): 9 in b1 => r3c45<>9
Naked Single: r3c4=8
Full House: r6c4=9
Naked Single: r6c6=1
Full House: r6c5=8
Naked Single: r1c6=3
Full House: r1c1=1
Naked Single: r3c3=9
Naked Single: r4c1=2
Full House: r4c2=1
Naked Single: r3c2=6
Full House: r2c1=3
Full House: r9c1=6
Full House: r3c5=1
Naked Single: r8c3=7
Full House: r9c3=1
Naked Single: r7c2=9
Full House: r9c2=2
Naked Single: r9c5=9
Full House: r2c5=6
Full House: r8c6=6
Full House: r9c7=7
Full House: r2c6=9
Full House: r8c8=9
Naked Single: r7c7=1
Full House: r7c8=6
Full House: r4c7=9
Full House: r4c8=7
| 28 |
sudoku_83 | .8.145..9.57869...914372568796213854.2.594736...78691247.638..5...921......457... | 682145379357869421914372568796213854128594736543786912471638295835921647269457183 | sudoku_83 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . 8 . 1 4 5 . . 9
. 5 7 8 6 9 . . .
9 1 4 3 7 2 5 6 8
7 9 6 2 1 3 8 5 4
. 2 . 5 9 4 7 3 6
. . . 7 8 6 9 1 2
4 7 . 6 3 8 . . 5
. . . 9 2 1 . . .
. . . 4 5 7 . . . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 682145379357869421914372568796213854128594736543786912471638295835921647269457183 #1 Medium (242)
Hidden Single: r1c1=6
Hidden Single: r1c8=7
Hidden Single: r6c2=4
Hidden Single: r8c9=7
Locked Candidates Type 2 (Claiming): 3 in c2 => r8c13,r9c13<>3
Locked Pair: 5,8 in r8c13 => r8c8,r9c13<>8
Naked Single: r8c8=4
Naked Single: r2c8=2
Naked Single: r1c7=3
Full House: r1c3=2
Full House: r2c1=3
Naked Single: r7c8=9
Full House: r9c8=8
Naked Single: r2c9=1
Full House: r2c7=4
Full House: r9c9=3
Naked Single: r8c7=6
Naked Single: r6c1=5
Full House: r6c3=3
Naked Single: r7c3=1
Full House: r7c7=2
Full House: r9c7=1
Naked Single: r9c2=6
Full House: r8c2=3
Naked Single: r8c1=8
Full House: r8c3=5
Naked Single: r5c3=8
Full House: r9c3=9
Full House: r9c1=2
Full House: r5c1=1
| 28 |
sudoku_84 | 941623578685..13242735841963.6..5.4.5......6.7.....23.867..2453139...682452...719 | 941623578685791324273584196326875941514239867798146235867912453139457682452368719 | sudoku_84 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 9 4 1 6 2 3 5 7 8
6 8 5 . . 1 3 2 4
2 7 3 5 8 4 1 9 6
3 . 6 . . 5 . 4 .
5 . . . . . . 6 .
7 . . . . . 2 3 .
8 6 7 . . 2 4 5 3
1 3 9 . . . 6 8 2
4 5 2 . . . 7 1 9 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 941623578685791324273584196326875941514239867798146235867912453139457682452368719 #1 Medium (292)
Naked Single: r8c6=7
Naked Single: r8c4=4
Full House: r8c5=5
Hidden Single: r6c9=5
Locked Candidates Type 2 (Claiming): 9 in c6 => r4c45,r5c45,r6c45<>9
Naked Pair: 1,7 in r4c59 => r4c24<>1, r4c4<>7
Naked Pair: 8,9 in r5c67 => r5c2<>9, r5c34<>8
Naked Single: r5c3=4
Full House: r6c3=8
Naked Single: r6c4=1
Naked Single: r4c5=7
Naked Single: r6c2=9
Naked Single: r7c4=9
Full House: r7c5=1
Naked Single: r2c5=9
Full House: r2c4=7
Naked Single: r4c9=1
Full House: r5c9=7
Naked Single: r5c5=3
Naked Single: r4c2=2
Full House: r5c2=1
Naked Single: r6c6=6
Full House: r6c5=4
Full House: r9c5=6
Naked Single: r5c4=2
Naked Single: r4c4=8
Full House: r4c7=9
Full House: r5c6=9
Full House: r9c6=8
Full House: r9c4=3
Full House: r5c7=8
| 28 |
sudoku_85 | 51..8.93..3........8...4...826..9.1.753461892941825367168243759375698241.9.517... | 514782936239156478687934125826379514753461892941825367168243759375698241492517683 | sudoku_85 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 5 1 . . 8 . 9 3 .
. 3 . . . . . . .
. 8 . . . 4 . . .
8 2 6 . . 9 . 1 .
7 5 3 4 6 1 8 9 2
9 4 1 8 2 5 3 6 7
1 6 8 2 4 3 7 5 9
3 7 5 6 9 8 2 4 1
. 9 . 5 1 7 . . . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 514782936239156478687934125826379514753461892941825367168243759375698241492517683 #1 Hard (282)
Naked Single: r1c4=7
Naked Single: r9c8=8
Naked Single: r9c7=6
Full House: r9c9=3
Naked Single: r2c5=5
Naked Single: r4c4=3
Full House: r4c5=7
Full House: r3c5=3
Hidden Single: r2c9=8
Naked Pair: 2,4 in r19c3 => r23c3<>2, r2c3<>4
Bivalue Universal Grave + 1 => r2c1<>4, r2c1<>6
Naked Single: r2c1=2
Naked Single: r1c3=4
Naked Single: r2c6=6
Full House: r1c6=2
Full House: r1c9=6
Naked Single: r2c8=7
Full House: r3c8=2
Naked Single: r3c1=6
Full House: r9c1=4
Full House: r9c3=2
Naked Single: r3c9=5
Full House: r4c9=4
Full House: r4c7=5
Naked Single: r2c3=9
Full House: r3c3=7
Naked Single: r3c7=1
Full House: r2c7=4
Full House: r2c4=1
Full House: r3c4=9
| 28 |
sudoku_86 | 264179538953842617871.5.9247325948611982..475645....9..19.....648.....5..2..1.... | 264179538953842617871356924732594861198263475645781293319425786486937152527618349 | sudoku_86 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 2 6 4 1 7 9 5 3 8
9 5 3 8 4 2 6 1 7
8 7 1 . 5 . 9 2 4
7 3 2 5 9 4 8 6 1
1 9 8 2 . . 4 7 5
6 4 5 . . . . 9 .
. 1 9 . . . . . 6
4 8 . . . . . 5 .
. 2 . . 1 . . . . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 264179538953842617871356924732594861198263475645781293319425786486937152527618349 #1 Medium (212)
Hidden Single: r6c6=1
Hidden Single: r8c7=1
Hidden Single: r6c4=7
Hidden Single: r6c5=8
Naked Pair: 3,6 in r35c6 => r789c6<>3, r89c6<>6
Naked Single: r8c6=7
Naked Single: r8c3=6
Full House: r9c3=7
Naked Single: r9c7=3
Naked Single: r6c7=2
Full House: r6c9=3
Full House: r7c7=7
Naked Single: r9c1=5
Full House: r7c1=3
Naked Single: r9c9=9
Full House: r8c9=2
Naked Single: r9c6=8
Naked Single: r7c4=4
Naked Single: r7c5=2
Naked Single: r8c5=3
Full House: r5c5=6
Full House: r8c4=9
Full House: r5c6=3
Naked Single: r7c6=5
Full House: r7c8=8
Full House: r9c8=4
Full House: r9c4=6
Full House: r3c6=6
Full House: r3c4=3
| 28 |
sudoku_87 | 15.9.2.4892.3.8516.8...5.9286..9713.471853629.39..68...48.39261.1..849...9.6.1483 | 153962748927348516684715392862497135471853629539126874748539261316284957295671483 | sudoku_87 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 5 . 9 . 2 . 4 8
9 2 . 3 . 8 5 1 6
. 8 . . . 5 . 9 2
8 6 . . 9 7 1 3 .
4 7 1 8 5 3 6 2 9
. 3 9 . . 6 8 . .
. 4 8 . 3 9 2 6 1
. 1 . . 8 4 9 . .
. 9 . 6 . 1 4 8 3 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 153962748927348516684715392862497135471853629539126874748539261316284957295671483 #1 Medium (182)
Locked Candidates Type 1 (Pointing): 5 in b9 => r8c134<>5
Hidden Single: r7c4=5
Full House: r7c1=7
Hidden Single: r9c5=7
Full House: r8c4=2
Naked Single: r1c5=6
Naked Single: r2c5=4
Full House: r2c3=7
Naked Single: r4c4=4
Naked Single: r3c5=1
Full House: r3c4=7
Full House: r6c4=1
Full House: r6c5=2
Naked Single: r1c3=3
Full House: r1c7=7
Full House: r3c7=3
Naked Single: r4c9=5
Full House: r4c3=2
Full House: r6c1=5
Naked Single: r3c1=6
Full House: r3c3=4
Naked Single: r8c3=6
Full House: r9c3=5
Full House: r9c1=2
Full House: r8c1=3
Naked Single: r6c8=7
Full House: r6c9=4
Full House: r8c9=7
Full House: r8c8=5
| 28 |
sudoku_88 | 517864239...195746.6.723518395286174...31......145.3..1...3...7....724.1728641953 | 517864239283195746469723518395286174642317895871459362154938627936572481728641953 | sudoku_88 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 5 1 7 8 6 4 2 3 9
. . . 1 9 5 7 4 6
. 6 . 7 2 3 5 1 8
3 9 5 2 8 6 1 7 4
. . . 3 1 . . . .
. . 1 4 5 . 3 . .
1 . . . 3 . . . 7
. . . . 7 2 4 . 1
7 2 8 6 4 1 9 5 3 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 517864239283195746469723518395286174642317895871459362154938627936572481728641953 #1 Hard (302)
Naked Single: r6c9=2
Full House: r5c9=5
Hidden Single: r7c8=2
Hidden Single: r8c8=8
Full House: r7c7=6
Full House: r5c7=8
Hidden Single: r7c6=8
Naked Pair: 4,9 in r37c3 => r5c3<>4, r8c3<>9
Bivalue Universal Grave + 1 => r5c1<>2, r5c1<>4
Naked Single: r5c1=6
Naked Single: r5c3=2
Naked Single: r5c8=9
Full House: r6c8=6
Naked Single: r6c1=8
Naked Single: r8c1=9
Naked Single: r2c3=3
Naked Single: r5c6=7
Full House: r5c2=4
Full House: r6c2=7
Full House: r6c6=9
Naked Single: r2c1=2
Full House: r3c1=4
Full House: r2c2=8
Full House: r3c3=9
Naked Single: r7c3=4
Full House: r8c3=6
Naked Single: r8c4=5
Full House: r7c4=9
Full House: r7c2=5
Full House: r8c2=3
| 28 |
sudoku_89 | 27846.3.5534789612961.2.8..6........89.1....64.2.3....325916478789243561146...923 | 278461395534789612961325847613892754897154236452637189325916478789243561146578923 | sudoku_89 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 2 7 8 4 6 . 3 . 5
5 3 4 7 8 9 6 1 2
9 6 1 . 2 . 8 . .
6 . . . . . . . .
8 9 . 1 . . . . 6
4 . 2 . 3 . . . .
3 2 5 9 1 6 4 7 8
7 8 9 2 4 3 5 6 1
1 4 6 . . . 9 2 3 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 278461395534789612961325847613892754897154236452637189325916478789243561146578923 #1 Hard (262)
Naked Single: r1c6=1
Full House: r1c8=9
Naked Single: r3c8=4
Full House: r3c9=7
Naked Single: r3c6=5
Full House: r3c4=3
Naked Single: r6c9=9
Full House: r4c9=4
Hidden Single: r4c5=9
Hidden Single: r6c4=6
Hidden Single: r5c6=4
Hidden Single: r5c7=2
Hidden Single: r4c6=2
Bivalue Universal Grave + 1 => r4c8<>3, r4c8<>8
Naked Single: r4c8=5
Naked Single: r4c2=1
Full House: r6c2=5
Naked Single: r4c4=8
Full House: r9c4=5
Naked Single: r5c8=3
Full House: r6c8=8
Naked Single: r4c7=7
Full House: r4c3=3
Full House: r5c3=7
Full House: r6c7=1
Full House: r6c6=7
Full House: r5c5=5
Full House: r9c5=7
Full House: r9c6=8
| 28 |
sudoku_90 | 4679152833927..615185263479251379846......197.....1352...13..68.......24..6.52.31 | 467915283392748615185263479251379846638524197749681352924137568513896724876452931 | sudoku_90 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 4 6 7 9 1 5 2 8 3
3 9 2 7 . . 6 1 5
1 8 5 2 6 3 4 7 9
2 5 1 3 7 9 8 4 6
. . . . . . 1 9 7
. . . . . 1 3 5 2
. . . 1 3 . . 6 8
. . . . . . . 2 4
. . 6 . 5 2 . 3 1 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 467915283392748615185263479251379846638524197749681352924137568513896724876452931 #1 Medium (246)
Hidden Single: r8c2=1
Hidden Single: r5c4=5
Hidden Single: r5c5=2
Hidden Single: r8c5=9
Hidden Single: r7c2=2
Hidden Single: r8c3=3
Hidden Single: r5c2=3
Locked Candidates Type 1 (Pointing): 8 in b7 => r56c1<>8
Naked Single: r5c1=6
Hidden Single: r8c6=6
Naked Single: r8c4=8
Naked Single: r9c4=4
Full House: r6c4=6
Full House: r7c6=7
Naked Single: r9c2=7
Full House: r6c2=4
Naked Single: r8c1=5
Full House: r8c7=7
Naked Single: r9c7=9
Full House: r7c7=5
Full House: r9c1=8
Naked Single: r5c3=8
Full House: r5c6=4
Full House: r6c5=8
Full House: r2c6=8
Full House: r2c5=4
Naked Single: r7c1=9
Full House: r6c1=7
Full House: r6c3=9
Full House: r7c3=4
| 29 |
sudoku_91 | .4.621835283759146...834..21342685...2.175463..694321.....9762...2.16......48235. | 947621835283759146615834972134268597829175463576943218458397621392516784761482359 | sudoku_91 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . 4 . 6 2 1 8 3 5
2 8 3 7 5 9 1 4 6
. . . 8 3 4 . . 2
1 3 4 2 6 8 5 . .
. 2 . 1 7 5 4 6 3
. . 6 9 4 3 2 1 .
. . . . 9 7 6 2 .
. . 2 . 1 6 . . .
. . . 4 8 2 3 5 . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 947621835283759146615834972134268597829175463576943218458397621392516784761482359 #1 Medium (366)
Hidden Single: r6c9=8
Hidden Single: r8c8=8
Locked Candidates Type 1 (Pointing): 7 in b3 => r3c123<>7
Locked Candidates Type 1 (Pointing): 9 in b3 => r3c123<>9
Locked Candidates Type 2 (Claiming): 9 in c2 => r89c1,r9c3<>9
Naked Triple: 5,6,7 in r369c1 => r18c1<>7, r78c1<>5
Naked Single: r1c1=9
Full House: r1c3=7
Naked Single: r5c1=8
Full House: r5c3=9
Naked Single: r9c3=1
Naked Single: r3c3=5
Full House: r7c3=8
Naked Single: r7c2=5
Naked Single: r3c1=6
Full House: r3c2=1
Naked Single: r6c2=7
Full House: r6c1=5
Naked Single: r7c4=3
Full House: r8c4=5
Naked Single: r9c1=7
Naked Single: r8c2=9
Full House: r9c2=6
Full House: r9c9=9
Naked Single: r7c1=4
Full House: r7c9=1
Full House: r8c1=3
Naked Single: r8c7=7
Full House: r3c7=9
Full House: r8c9=4
Full House: r4c9=7
Full House: r3c8=7
Full House: r4c8=9
| 29 |
sudoku_92 | 183...4596724953819543186277....954.5..743.924...5..7.2..56.7388..93.2.53.5...9.4 | 183672459672495381954318627738129546516743892429856173291564738847931265365287914 | sudoku_92 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 8 3 . . . 4 5 9
6 7 2 4 9 5 3 8 1
9 5 4 3 1 8 6 2 7
7 . . . . 9 5 4 .
5 . . 7 4 3 . 9 2
4 . . . 5 . . 7 .
2 . . 5 6 . 7 3 8
8 . . 9 3 . 2 . 5
3 . 5 . . . 9 . 4 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 183672459672495381954318627738129546516743892429856173291564738847931265365287914 #1 Medium (216)
Hidden Single: r8c3=7
Locked Pair: 1,4 in r78c6 => r69c6,r9c4<>1
Locked Candidates Type 1 (Pointing): 6 in b7 => r456c2<>6
Naked Single: r5c2=1
Naked Single: r5c7=8
Full House: r5c3=6
Full House: r6c7=1
Naked Single: r9c2=6
Naked Single: r4c3=8
Naked Single: r8c2=4
Naked Single: r9c8=1
Full House: r8c8=6
Full House: r8c6=1
Naked Single: r4c5=2
Naked Single: r6c3=9
Full House: r7c3=1
Full House: r7c2=9
Full House: r7c6=4
Naked Single: r1c5=7
Full House: r9c5=8
Naked Single: r4c2=3
Full House: r6c2=2
Naked Single: r6c6=6
Naked Single: r9c4=2
Full House: r9c6=7
Full House: r1c6=2
Full House: r1c4=6
Naked Single: r4c9=6
Full House: r4c4=1
Full House: r6c4=8
Full House: r6c9=3
| 29 |
sudoku_93 | ......36.734692815.......7.6....4.3.4731286599......41319865.2.865247193247319586 | 592781364734692815186453972651974238473128659928536741319865427865247193247319586 | sudoku_93 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . . . . . . 3 6 .
7 3 4 6 9 2 8 1 5
. . . . . . . 7 .
6 . . . . 4 . 3 .
4 7 3 1 2 8 6 5 9
9 . . . . . . 4 1
3 1 9 8 6 5 . 2 .
8 6 5 2 4 7 1 9 3
2 4 7 3 1 9 5 8 6 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 592781364734692815186453972651974238473128659928536741319865427865247193247319586 #1 Hard (296)
Naked Single: r1c6=1
Naked Single: r1c1=5
Full House: r3c1=1
Naked Single: r3c6=3
Full House: r6c6=6
Hidden Single: r3c7=9
Hidden Single: r4c4=9
Hidden Single: r4c9=8
Hidden Single: r4c3=1
Hidden Single: r1c2=9
Hidden Single: r3c3=6
Hidden Single: r6c5=3
Hidden Single: r7c7=4
Full House: r7c9=7
Bivalue Universal Grave + 1 => r6c2<>5, r6c2<>8
Naked Single: r6c2=2
Naked Single: r3c2=8
Full House: r4c2=5
Full House: r6c3=8
Full House: r1c3=2
Naked Single: r6c7=7
Full House: r4c7=2
Full House: r4c5=7
Full House: r6c4=5
Naked Single: r3c5=5
Full House: r1c5=8
Naked Single: r1c9=4
Full House: r1c4=7
Full House: r3c4=4
Full House: r3c9=2
| 29 |
sudoku_94 | ..5832.7...2496.3...6157.42..958..2...436..5...872..93..761.289.91275364263948517 | 415832976782496135936157842379584621124369758658721493547613289891275364263948517 | sudoku_94 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . . 5 8 3 2 . 7 .
. . 2 4 9 6 . 3 .
. . 6 1 5 7 . 4 2
. . 9 5 8 . . 2 .
. . 4 3 6 . . 5 .
. . 8 7 2 . . 9 3
. . 7 6 1 . 2 8 9
. 9 1 2 7 5 3 6 4
2 6 3 9 4 8 5 1 7 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 415832976782496135936157842379584621124369758658721493547613289891275364263948517 #1 Hard (536)
Full House: r8c1=8
Full House: r7c6=3
Hidden Single: r5c6=9
Hidden Single: r5c2=2
Hidden Single: r2c9=5
Hidden Single: r5c9=8
Naked Pair: 1,7 in r25c1 => r146c1<>1, r4c1<>7
Naked Triple: 1,4,5 in r167c2 => r24c2<>1
X-Wing: 1 r25 c17 => r146c7<>1
Bivalue Universal Grave + 1 => r4c7<>4, r4c7<>7
Naked Single: r4c7=6
Naked Single: r1c7=9
Naked Single: r4c1=3
Naked Single: r4c9=1
Full House: r1c9=6
Naked Single: r6c7=4
Full House: r5c7=7
Full House: r5c1=1
Naked Single: r1c1=4
Full House: r1c2=1
Naked Single: r3c7=8
Full House: r2c7=1
Naked Single: r3c1=9
Full House: r3c2=3
Naked Single: r4c2=7
Full House: r4c6=4
Full House: r6c6=1
Naked Single: r2c1=7
Full House: r2c2=8
Naked Single: r6c2=5
Full House: r6c1=6
Full House: r7c1=5
Full House: r7c2=4
| 29 |
sudoku_95 | ...4792535241368799732....67859.36.2492.6..371367.298...7.9..2...9.2..6.25.6.739. | 618479253524136879973258416785913642492865137136742985867394521349521768251687394 | sudoku_95 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | . . . 4 7 9 2 5 3
5 2 4 1 3 6 8 7 9
9 7 3 2 . . . . 6
7 8 5 9 . 3 6 . 2
4 9 2 . 6 . . 3 7
1 3 6 7 . 2 9 8 .
. . 7 . 9 . . 2 .
. . 9 . 2 . . 6 .
2 5 . 6 . 7 3 9 . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 618479253524136879973258416785913642492865137136742985867394521349521768251687394 #1 Medium (186)
Hidden Single: r8c7=7
Locked Candidates Type 1 (Pointing): 4 in b5 => r9c5<>4
Hidden Single: r9c9=4
Naked Single: r6c9=5
Full House: r6c5=4
Naked Single: r5c7=1
Full House: r4c8=4
Full House: r4c5=1
Full House: r3c8=1
Full House: r3c7=4
Full House: r7c7=5
Naked Single: r9c5=8
Full House: r3c5=5
Full House: r9c3=1
Full House: r3c6=8
Full House: r1c3=8
Naked Single: r7c4=3
Naked Single: r8c2=4
Naked Single: r5c6=5
Full House: r5c4=8
Full House: r8c4=5
Naked Single: r1c1=6
Full House: r1c2=1
Full House: r7c2=6
Naked Single: r8c6=1
Full House: r7c6=4
Naked Single: r7c1=8
Full House: r7c9=1
Full House: r8c9=8
Full House: r8c1=3
| 29 |
sudoku_96 | 592...1.431......778......38734..5.96419..8.2259..8346127359468435...921968..4735 | 592763184314892657786541293873426519641935872259178346127359468435687921968214735 | sudoku_96 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 5 9 2 . . . 1 . 4
3 1 . . . . . . 7
7 8 . . . . . . 3
8 7 3 4 . . 5 . 9
6 4 1 9 . . 8 . 2
2 5 9 . . 8 3 4 6
1 2 7 3 5 9 4 6 8
4 3 5 . . . 9 2 1
9 6 8 . . 4 7 3 5 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 592763184314892657786541293873426519641935872259178346127359468435687921968214735 #1 Medium (196)
Naked Single: r5c8=7
Full House: r4c8=1
Naked Single: r1c8=8
Naked Single: r5c5=3
Full House: r5c6=5
Hidden Single: r3c6=1
Hidden Single: r1c6=3
Hidden Single: r8c6=7
Locked Candidates Type 2 (Claiming): 6 in r1 => r2c456,r3c45<>6
Naked Single: r2c6=2
Full House: r4c6=6
Full House: r4c5=2
Naked Single: r2c7=6
Full House: r3c7=2
Naked Single: r3c4=5
Naked Single: r9c5=1
Full House: r9c4=2
Naked Single: r2c3=4
Full House: r3c3=6
Naked Single: r2c4=8
Naked Single: r3c8=9
Full House: r2c8=5
Full House: r2c5=9
Full House: r3c5=4
Naked Single: r6c5=7
Full House: r6c4=1
Naked Single: r8c4=6
Full House: r1c4=7
Full House: r1c5=6
Full House: r8c5=8
| 29 |
sudoku_97 | 1256...9.439.57.6.786.19.35347196852698..5314512384.7.973.62...85.....2.26......3 | 125638497439257168786419235347196852698725314512384679973862541851943726264571983 | sudoku_97 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 2 5 6 . . . 9 .
4 3 9 . 5 7 . 6 .
7 8 6 . 1 9 . 3 5
3 4 7 1 9 6 8 5 2
6 9 8 . . 5 3 1 4
5 1 2 3 8 4 . 7 .
9 7 3 . 6 2 . . .
8 5 . . . . . 2 .
2 6 . . . . . . 3 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 125638497439257168786419235347196852698725314512384679973862541851943726264571983 #1 Medium (226)
Hidden Single: r5c5=2
Full House: r5c4=7
Locked Candidates Type 1 (Pointing): 4 in b3 => r789c7<>4
Locked Candidates Type 1 (Pointing): 8 in b3 => r7c9<>8
Naked Single: r7c9=1
Naked Single: r2c9=8
Naked Single: r7c7=5
Naked Single: r1c9=7
Naked Single: r2c4=2
Full House: r2c7=1
Naked Single: r1c7=4
Full House: r3c7=2
Full House: r3c4=4
Naked Single: r1c5=3
Full House: r1c6=8
Naked Single: r7c4=8
Full House: r7c8=4
Full House: r9c8=8
Naked Single: r8c4=9
Full House: r9c4=5
Naked Single: r9c6=1
Full House: r8c6=3
Naked Single: r8c9=6
Full House: r6c9=9
Full House: r6c7=6
Naked Single: r9c3=4
Full House: r8c3=1
Naked Single: r8c7=7
Full House: r8c5=4
Full House: r9c5=7
Full House: r9c7=9
| 29 |
sudoku_98 | 1246783598795134..536294871..2.86.3...8.4.2..6...2........69...2.1.57943495132687 | 124678359879513462536294871912786534758341296643925718387469125261857943495132687 | sudoku_98 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 2 4 6 7 8 3 5 9
8 7 9 5 1 3 4 . .
5 3 6 2 9 4 8 7 1
. . 2 . 8 6 . 3 .
. . 8 . 4 . 2 . .
6 . . . 2 . . . .
. . . . 6 9 . . .
2 . 1 . 5 7 9 4 3
4 9 5 1 3 2 6 8 7 | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 124678359879513462536294871912786534758341296643925718387469125261857943495132687 #1 Medium (216)
Naked Single: r8c4=8
Full House: r7c4=4
Full House: r8c2=6
Naked Single: r7c2=8
Hidden Single: r6c9=8
Hidden Single: r6c2=4
Hidden Single: r4c9=4
Naked Pair: 7,9 in r4c14 => r4c7<>7
Hidden Single: r6c7=7
Naked Single: r6c3=3
Full House: r7c3=7
Full House: r7c1=3
Naked Single: r6c4=9
Naked Single: r4c4=7
Full House: r5c4=3
Naked Single: r6c8=1
Full House: r6c6=5
Full House: r5c6=1
Naked Single: r4c1=9
Full House: r5c1=7
Naked Single: r4c7=5
Full House: r4c2=1
Full House: r5c2=5
Full House: r7c7=1
Naked Single: r7c8=2
Full House: r7c9=5
Naked Single: r5c9=6
Full House: r2c9=2
Full House: r2c8=6
Full House: r5c8=9
| 29 |
sudoku_99 | 182.....6594618372763.2.51821.596...95..4..61.367812..37986.1..82513.6.7641...... | 182357946594618372763429518217596483958243761436781259379865124825134697641972835 | sudoku_99 | Each row, column, and 3×3 subgrid must contain all digits from 1 to 9 exactly once. Digits cannot be repeated within any row, column, or 3×3 subgrid. | null | 9 | 9 | 1 8 2 . . . . . 6
5 9 4 6 1 8 3 7 2
7 6 3 . 2 . 5 1 8
2 1 . 5 9 6 . . .
9 5 . . 4 . . 6 1
. 3 6 7 8 1 2 . .
3 7 9 8 6 . 1 . .
8 2 5 1 3 . 6 . 7
6 4 1 . . . . . . | Complete the sudoku board based on the rules and visual elements. | sudoku | ritvik19 | easy | 182357946594618372763429518217596483958243761436781259379865124825134697641972835 #1 Medium (176)
Full House: r6c1=4
Locked Candidates Type 1 (Pointing): 4 in b3 => r1c46<>4
Hidden Single: r3c4=4
Full House: r3c6=9
Naked Single: r1c4=3
Naked Single: r8c6=4
Full House: r8c8=9
Naked Single: r5c4=2
Full House: r5c6=3
Full House: r9c4=9
Naked Single: r1c8=4
Full House: r1c7=9
Naked Single: r6c8=5
Full House: r6c9=9
Naked Single: r9c7=8
Naked Single: r7c8=2
Naked Single: r5c7=7
Full House: r4c7=4
Full House: r5c3=8
Full House: r4c3=7
Naked Single: r7c6=5
Full House: r7c9=4
Naked Single: r9c8=3
Full House: r4c8=8
Full House: r4c9=3
Full House: r9c9=5
Naked Single: r1c6=7
Full House: r1c5=5
Full House: r9c5=7
Full House: r9c6=2
| 29 |
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