5
8 0 10
1 0 1 1
1 1 2 1
1 2 3 1
3 0 3
1 0 4 1
3 0 3
1 0 3 1
3 0 3
2 1 2
3 0 3
4 4 10
0 1 1
1 0 1
1 2 1
0 3 1
3 0 2
2 0 1
1 0 1 2
3 0 2
2 0 1
1 0 1 3
3 0 2
2 0 1
1 0 1 4
3 0 2
8 7 5
0 1 1
1 2 1
2 3 1
0 4 1
1 5 1
2 6 1
3 7 1
3 0 5
3 0 7
1 3 0 1
3 0 5
3 0 7
8 4 10
4 5 1
5 6 1
6 7 1
7 4 1
1 0 4 1
1 0 1 4
3 0 7
1 1 6 1
3 0 7
1 1 2 1
1 2 3 1
3 0 7
1 2 0 1
3 0 7
12 5 7
0 4 1
4 8 1
0 1 1
1 2 1
2 3 1
3 0 8
1 1 4 1
3 0 8
1 2 4 1
3 0 8
1 3 4 1
3 0 8