
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
I want to choose a license plate which is 4 characters long, where each character can be a letter (26 possibilities) or a digit (10 possibilities). The license must have exactly two characters that are the same, but these two identical characters cannot be adjacent. How many ways are there for me to choose such a license plate?

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