
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
Consider a regular cube floating in space with its faces designated as follows: one top face, four side faces adjacent to the top, and one bottom face. Assume the side faces are labeled sequentially from 1 to 4. Movement from the top face to the bottom face is allowed via adjacent side faces, but direct movement from side 1 to side 4 or vice versa is prohibited, nor is movement allowed directly between the top and bottom faces. How many ways are there to move from the top face to the bottom face via a sequence of adjacent side faces, visiting each face at most once?
A) 1
B) 5
C) 10
D) 15
E) 20

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