
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
In a parking lot, there are eight parking spaces numbered from 1 to 8. Now, 2 trucks and 2 cars need to park at the same time. Each parking space can accommodate at most one vehicle. If vehicles of the same type must be parked in adjacent spaces, there are a total of $\boxed{\text{number}}$ parking arrangements. (Answer with a number)

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