0 10 0 0 -10 0 10 0 -10 10 0 10 11 10 0 11 -10 0 21 0 -10 21 0 10 42 72 1 24 63 4 42 43 1 -23 63 71 -23 6 13 -22 3 62 -44 42 31 52 57 31