
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 unit has 52 employees, and now all employees are randomly numbered from 1, 2, 3, …, to 52. If a sample of size 4 is drawn using systematic sampling, and it is known that employees numbered 6, 32, and 45 are in the sample, then the number of the other employee in the sample is __________.

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