21 2 x 22 7 July 8, 2019 16 32 64 128 1 2 x 22 7 x 21 22 7 x 21 2 x 40 60 360 x 2 x 22 7 x 21 1 6 x 2 x 22 7 x 21 120 360 x 2 x 22 7 x 21 1 3 x 2 x 22 7 x 21 21 x 7 1/2
