2 7 2
4 11 4
4 -6 6
4 -8 7
4 -9 8
2 -11 10
0 -13 12
-2 -15 14
-4 -17 16
1 -14 17
1 -10 19
1 -7 20
2 -4 21
3 -1 22
3 1 24
3 7 26
3 13 28
3 -4 29
2 -6 30
1 -8 31
1 -10 32
1 -14 34
1 -15 35
-1 -17 37
1 -15 38
