
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]


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The TV show "The Mystery of Santa Barbara" features 20 characters. In each episode, one of the following events occurs: a certain character learns the Mystery, a certain character learns that someone knows the Mystery, or a certain character learns that someone does not know the Mystery. What is the maximum number of episodes the series can continue?

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