
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
Seven students, each with a different height, are to stand in a row for a group photo. The tallest student stands in the middle, and from the middle to the left and from the middle to the right, each student is shorter than the one before. Calculate the number of possible arrangements.

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