
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
Given the table of integer pairs as follows:

(1,1)

(1,2), (2,1)

(1,3), (2,2), (3,1)

(1,4), (2,3), (3,2), (4,1)

(1,5), (2,4), (3,3), (4,2), (5,1)

      …  …

Then, in this table of pairs, the 10th pair from left to right in the 20th row is             .

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