10 4 x 60 July 8, 2019 16 32 64 128 4 10 x 600 10 1 4 x 60 60 10 x 4 b 60.72 x 10 4 10 x 2 (- 60 4 30 60 6x 10 x 4 10 x 10 40 10 x 60