D 3 3d 2 4 y 0 July 8, 2019 16 32 64 128 D 4 2d 3 3d 2 4d 4 y 0 D 4 2d 3 3d 2 2d 1 y 0 D 3 - d 2 - d 4 D 3 - d 3 - d 4 (( ( d 3 ) ) ( d 3 -)) d 3 - d 4
