
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
Given that four education researchers from the Municipal Institute of Education Sciences are sent to investigate the high school review and lesson preparation situation in three counties, and that each county receives at least one researcher, determine the number of different distribution plans possible.

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