
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
In three different polygons, we have drawn all the diagonals. The second polygon has 3 more sides and 3 times as many diagonals as the first one. The third polygon has 7 times as many diagonals as the second one. How many more sides does the third polygon have than the second one?

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