
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
Given a regular tetrahedron with an edge length of \(2 \sqrt{6}\), a sphere is centered at the centroid \(O\) of the tetrahedron. The total length of the curves where the sphere intersects with the four faces of the tetrahedron is \(4 \pi\). Find the radius of the sphere centered at \(O\).

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