23
-1 -7 58
14 13 66
-8 5 56
23 -20 74
-16 19 54
3 -20 58
2 19 61
-10 -18 59
-5 -2 90
13 16 63
-19 24 96
19 -7 72
2 -1 63
7 -25 80
1 -21 78
0 0 6
10 0 6
5 1000 996
9 -13 89
5 0 69
13 9 99
-12 1 66
-21 16 86