2 1 4 x 8 15 July 8, 2019 16 32 64 128 2 4 5 x 1 8 0 15 15 3 4 x 8 1 2 0 25 x 7 15 1 4 x 8 15 2 75 2 x 4 1/8 2 1/4 × 8