withindexes=0
15
3.0 -1.0 3.0 1.0
4.0 4.0 5.0 4.0
5.0 1.0 5.0 2.0
6.0 3.0 7.0 3.0
0.0 5.0 1.0 5.0
3.5 1.0 4.5 1.0
6.0 1.0 6.0 2.0
1.0 1.0 1.0 2.0
1.5 3.0 2.5 3.0
2.0 1.0 2.0 2.0
1.2 2.0 1.6 2.0
0.2 2.0 0.6 2.0
2.0 3.5 2.0 4.5
1.2 4.0 1.6 4.0
2.2 4.0 2.6 4.0