
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
Consider a $5\times5$ block of calendar dates starting with 5 and increasing by 1 each day horizontally. First, reverse the order of the numbers in the third and the fifth rows. Then, calculate the numbers on each diagonal and find their sums. What will be the positive difference between the two diagonal sums.

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