1 2 9 x 7 July 8, 2019 16 32 64 128 1 9 2 x 729 2 9 x 72 1 12 1 2 x 6 x 9 x 7 1 9 x 7 2 3 1 2 x 9 x 7 x 4 1 2 x 9 x 7 x 5 2 136 1 9 x )= 7 12 7 1 2 x 9 3 4 1 2 7 9 x 4 2 5x 9 x 1 2 7 3x 3 2 9 x 1 5 7 9 x 1 2 7 0 F x )= 1 9 x 7 2 3 1 1 3 5 2 9 x 4 7 O ring 2 9 x 1 78
