
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 new nine-story building, where the first floor is dedicated to shops, Sergei's family received apartment 211. On which floor and in which entrance is this apartment located, given that on the third floor of one of the entrances in this building, apartments 55 to 60 are located? (All entrances and floors are identical.)

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