1 2 1
1 6 3
2 9 4
3 10 5
3 -2 6
3 -4 8
3 -6 9
3 -8 10
2 -9 11
2 -11 13
0 -15 15
0 -17 17
1 -11 19
2 -9 20
3 -6 21
5 0 23
5 2 24
7 6 26
9 8 28
9 12 30
8 -2 31
8 -6 33
8 -7 34
8 -11 36
8 -12 37
