
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
Xiaoming rides a bike to visit three attractions $A$, $B$, and $C$. If starting from place $A$ and passing through place $B$ to place $C$, it takes a total of 10 kilometers; if starting from place $B$ and passing through place $C$ to place $A$, it takes a total of 13 kilometers; if starting from place $C$ and passing through place $A$ to place $B$, it takes a total of 11 kilometers. What is the distance between the two closest attractions in kilometers?

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