
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
Two points, A and B, are 30 cm apart. Two strings, A and B, start simultaneously from A and B respectively and move towards each other. String A is 151 cm long and moves at 2 cm per second; String B is 187 cm long and moves at 3 cm per second. If both strings are ignited at their tail ends upon departure, string A burns at a rate of 1 cm per second and string B burns at a rate of 2 cm per second. How many seconds will it take for the two strings to completely pass each other from the moment they meet?

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