2 3
0.0 1.0 5.0
2.0 3.0 17.0
3 4
1.0 0.0 0.0 10.0
0.0 1.0 0.0 20.0
0.0 0.0 1.0 30.0
2 3
2.0 3.0 17.0
0.0 0.0 1.0
2 3
2.0 3.0 17.0
0.0 0.0 0.0