1 6 x 7 12 July 8, 2019 16 32 64 128 X 7 12x 4 1 6 3 1 6 x 7 5 12 1 x 7 12 3 6 7 x 1 )+ 6 x 2 )= 12x 4 5 6 x 7 12 1 3 1 7 12 x 6 14 1 7 12 x 6 8 1 3 3 6 7 9 x 12 21 2 7 x 1 5 6 7 12 4 1 2 2 5 6 x 1 7 12 6 7 12 x 2 1 3 7 6 x 3 4 1 12 5 12 x 1 1 6 =- 7 12