
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
The city has the shape of a $5 \times 5$ square.

What is the minimum length of the route if you need to walk along every street in this city and return to the starting point? (Each street can be walked any number of times.)

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