
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 lock with three buttons opens when the buttons are pressed in a specific order immediately one after the other. What is the minimum number of button presses required to ensure that the lock opens? (Any series of button presses before the correct sequence does not affect the mechanism of the lock.)

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