
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
A $9 \times 9$ grid of squares on a piece of paper is numbered from 1 to 81. The paper is folded five times as follows:
(1) Fold the right third over the middle third,
(2) Fold the left third over the rest,
(3) Fold the top third down over the middle third,
(4) Fold the bottom third up over the rest,
(5) Finally, fold diagonally from the top left to the bottom right corner.
Which numbered square is on top after these five folds?
A) 9
B) 19
C) 37
D) 54

Present the answer in LaTex format: \boxed{Your answer}
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