0.0  10.0  1.0
1.0  10.0  2.0
2.0  10.0  3.0
3.0  10.0  4.0
4.0  10.0  5.0
0.0  20.0  3.0
1.0  20.0  4.0
2.0  20.0  5.0
3.0  20.0  6.0
4.0  20.0  7.0
0.0  30.0  5.0
1.0  30.0  6.0
2.0  30.0  7.0
3.0  30.0  8.0
4.0  30.0  9.0
0.0  40.0  7.0
1.0  40.0  8.0
2.0  40.0  9.0
3.0  40.0  10.0
4.0  40.0  11.0
