
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
There are four volumes placed in any order on a shelf. Determine the probability that, when arranged from left to right or from right to left, the volumes are in the sequence 1, 2, 3, 4.

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