
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
Ms. Marvel has eight different Hulk comic books, seven different Iron Man comic books, and six different Wolverine comic books. When stacked, all of the Hulk comic books are grouped together, all of the Iron Man comic books are grouped together, and all of the Wolverine comic books are grouped together. In how many different orders can these 21 comic books be stacked in a pile with the covers facing up and all of them facing the same direction?

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