2
1 0 1 1
1 0 1 1
2
1 0 1 1
1 1 1 2 
2
1 2 1 3
1 4 1 5
3
2 1 1 1
2 1 3 1
4 1 5 1
2
1 1 2 2 
2 2 3 3
2
2 2 3 3
2 2 3 3
2
2 2 3 3
4 4 5 5
2
1 1 4 4
2 2 2 6
5
1 1 2 2
1 1 2 2
1 2 1 3
2 2 3 3
4 4 6 6
5
1 1 4 2
2 3 3 1
1 -2.0 8 4
1 4 8 2
3 3 6 -2.0
3
0 0 1 1
1 0 2 1
2 0 3 1
0