X 3 4x 16 0 July 8, 2019 16 32 64 128 X 3 4x 2 16 0 X 4 2x 3 4x 2 8x 16 0 4x 3 x 2 64x 16 0 X 4 4x 3 16x 16 0 X 3 2x 2 4x 16 0 4x4 = 16