
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
The center of the city is a rectangle of \(5 \times 8\) km, consisting of 40 blocks of size \(1 \times 1\) km, with the boundaries being streets that form 54 intersections. What is the minimum number of police officers needed at intersections such that each intersection can be reached by a police officer driving no more than 2 km on the city streets?

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