6 1 4 x 16 21 3 July 8, 2019 16 32 64 128 6 1 4 x 16 21 divided by 3 6 1/2 x 4 1/2 6 x 16 / 8 / 4 6 1/2 x 4 3/4 x 3 1/2 4 1/2 x 6
