
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]


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Hooligan Dima arranged 38 wooden toothpicks in a $3 \times 5$ rectangular construction. Then he simultaneously set fire to two neighboring corners of this rectangle, as shown in the illustration.

It is known that one toothpick burns in 10 seconds. In how many seconds will the entire construction burn down?

(The fire spreads along the toothpicks at a constant speed. The fire continues to spread from each burned toothpick to all adjacent unburned toothpicks.)

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