4 3 x 7 18 July 8, 2019 16 32 64 128 4 4 17 х 3 7 18 2 x 7 )- 3 2x 4 )=- 18 18 3 4 x 7 8 7 18 x 3 4 screw 1 3 4 x 11 7 8 x 18 lvl 3 x 3 )- 7 5 x 4 )+ 18 3 4 x 7 25 3 4 x 18 25 4 + 4 = 3
