0 4 x 1 July 8, 2019 16 32 64 128 0 4 x 100 0 4 x 10 0 4 x 12 0 4 x 1 5 0 4 x 16 0 4 x 1 3 0 x 4 10x 2 9 0 x 4 18x 2 81 3 0 4 1 x 2 2 0 4 x 1 6 1 2 X 4 1 0 solution X 4 4x 1 0 0 4 18 48 x 180 2x 4 x 1 0
