
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
A clueless ant makes the following route: starting at point  $ A $  goes  $ 1$  cm north, then  $ 2$  cm east, then  $ 3$  cm south, then  $ 4$  cm west, immediately  $ 5$  cm north, continues  $ 6$  cm east, and so on, finally  $ 41$  cm north and ends in point  $ B $ . Calculate the distance between  $ A $  and  $ B $  (in a straight line).


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