
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 a city, there are 57 bus routes. It is known that:

1. From any stop, you can reach any other stop without transferring.
2. For each pair of routes, there is exactly one stop where you can transfer from one route to the other.
3. Each route has at least three stops.

How many stops does each of the 57 routes have?

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