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OH WAIT
With the lightbulbs, it's thread count * each ray, and each ray is a 2 count, like leafanon said.
So 3 thread * 2(5 rays) = 15
SO in the group below
it's 3x4(2) = 24 + 2(4x2(4)) = 24 +2(32) = 24 + 48 = 72
Therefore., with the original equation
It's 9+ 9 x 72 = 657
BOOM