4 15.0 -14 13.24 1
4 -15.0 -14 -13.20 -1
0 
2 15.0 0
4 15.0 14 13.20 1
20 1 2 3 4 5 6 7 8 9 0 11 12 -13 -14 -15 16 17 18 19 26