9 1 3 x 4 3 4 x 6 July 8, 2019 16 32 64 128 4x 3 9 4 x 3 4 7x 1 3 7x 2 6 x 4 x − 1 3 2 x 9 4 3 4 4 x − 6 5 9 3 4 l x 6 1 4 h x 3 w
