
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
Given that six classes will be scheduled on Friday with the constraints that Physical Education is not scheduled for the first period and Mathematics is not scheduled for the fourth period, determine the total number of different possible schedules for that day.

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