
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
Eight small circles, each of radius 4 units, are tangent to a large circle and each small circle is also tangent to its two neighboring small circles. What is the diameter of the large circle in units?

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