
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
As shown in the diagram, two people, A and B, are playing hide and seek outside a square wall with a side length of 100 meters. They start from two opposite corners simultaneously and walk in a clockwise direction. A walks 50 meters per minute, and B walks 30 meters per minute. Both stop for 1 minute at each corner. After at least how many minutes can A see B?

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