22
13 -90 -91 55
11 -56 90 97
-94 -8 86 60
61 -1 57 36
-37 -83 15 -36
-45 -37 -87 -29
67 -71 -47 53
17 58 -78 -31
35 -82 3 71
-64 -46 28 -3
-99 -84 15 77
92 -83 -44 -68
-63 -96 99 -56
47 -99 -93 -30
-16 -45 4 35
-51 -45 94 -51
-65 15 -96 64
51 46 -47 -12
-36 100 -48 -6
46 -12 61 73
34 -26 72 -35
59 -94 -14 -27