
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
Class 3(1) has a total of 56 students, with student numbers ranging from 1, 2, 3, ..., to 56. Now, using systematic sampling to draw a sample of size 4, and knowing that students with student numbers 6, 34, and 48 are in the sample, then the student number of the other student in the sample should be $\_\_\_\_\_\_\_\_$.

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