6 10 14
0 0 1 1
0 0 3 1
0 0 4 1
0 1 0 1
0 1 1 1
1 0 2 1
1 0 4 1
1 1 2 1
4 0 3 1
4 0 4 1
4 1 5 1
5 0 2 1
5 0 5 1
5 1 4 1