1 4 x 12 1 2 x 10 July 8, 2019 16 32 64 128 1 4 x 4x 12 1 2 2 − x 10 10 x 3 1 4 x 12 1 2 8 1 10 x 4 4 5 x 12 1 2 12 x 4 1/2 1/2 x 4 x 12 12 x 1 4