1 3 20 2
2 -8 17 0
3 -17 10 0
4 -22 0 0
5 -24 -19 0
6 -14 -28 0
7 12 -28 0
8 19 -20 0
9 19 -12 0
10 7 -24 0
11 -9 -24 0
12 -17 -16 0
13 -14 3 0
14 -3 13 0
15 12 13 0
16 16 ; 0
17 21 3 0
18 20 13 0
19 12 20 0
20 3 20 0