4 12 x 8 12 July 8, 2019 16 32 64 128 1 4 x 12 8 12 12 4 x 2 12 8 4 8 12 x 3 3 12 4 x 5 12 x 4 12 8 12 12 12 8 4 x 8 2 3 12 4 x 16 12 8 2 12 x 8 )= 12 12x 4 128 72 8 x 12 4 8 12 x 4 18 12 2 128 72 8 x 12 4 n 12 1 4 x 128 5 8 4 12 6 8 x 6 3 28 12