
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 class of 45 students, a systematic sampling method is used, with seat numbers as identifiers. Now, a sample of size 3 is drawn, and it is known that students with seat numbers 11 and 41 are both in the sample. The seat number of another student in the sample should be __________.

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