6 2 3 x 3 1 7 July 8, 2019 16 32 64 128 2x 7 6 7x 2 3 3 1 x 2 3 8 x 2 6 7 x 1 3 X 3 2 x 3 3 2x 7 6 1 6 2 3 x 1 7 20 6 3+2 7 6 / 3 x 2