
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 company plans to invest in four different projects in four candidate cities, with the rule that no more than two projects can be invested in the same city. Calculate the number of different investment schemes the company can have.

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