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((((3(3(3((3(3(3(3n+1)/2+1)/2+1)/2+1)/2)/2+1)/2+1)/2+1)/2)/2)/2)/2 = n
((((3(3(3((3(3(3(3n+1)/2+1)/2+1)/2+1)/2)/2+1)/2+1)/2+1)/2)/2)/2)/2 = n
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