2 5 12 x 3 1 3 July 8, 2019 16 32 64 128 12 1 2 x 4 4 5 x 3 1 3 3 1 6 5 12 x 2 1 1 3 X 1 3 5x 2 12 5 3x 4 12 x 2 )+ 5 3 4x 1 )+ 3 3x 2 3 x 1 4 5 12 2/5 + 3/10 2 3/5 x 1 12/13