
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
Marius is entering a wildlife photo contest and decides to arrange his nine snow leopards of different heights in a row. The two shortest leopards still have inferiority complexes and demand to be placed at the ends of the row. Additionally, the tallest leopard insists on being positioned in the middle of the row. How many ways can Marius line up the leopards?

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