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answer?
48 h6 e2 j* W9 J3 L' {
5 fingers with 4 gaps,5.39.217.77( Q8 Z' }& H5 }3 h- Q' a! U3 v# }
So, half of 5 fingers is 2 gaps (3 fingers)
5 R  @( \2 b$ f& ?Then 10 fingers is 9 gaps  d: r' ^7 l( B5 M7 p* p
And so, one-third of 10 fingers is 3 gaps (4 fingers)
4 ma.
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