
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
A set of five volumes of an encyclopedia is arranged in ascending order on a shelf, i.e., from left to right, volumes 1 through 5 are lined up. We want to rearrange them in descending order, i.e., from left to right, volumes 5 through 1, but each time we are only allowed to swap the positions of two adjacent volumes. What is the minimum number of such swaps required to achieve the desired arrangement?

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