
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]


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If five subjects—Chinese, Mathematics, Physics, History, and Foreign Language—are arranged into five class periods within one day with the constraint that Mathematics must be scheduled before History, determine the number of different arrangements possible.

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