6
1 3 4 0
4 0 5 0
5 0 7 2
0 0 9 0
3 0 6 0
2 0 8 0

0

10
9
1

0 0
1 3
2 0
3 0
4 0
5 0
6 0
7 2
8 0
9 0

0 0 2 0 1
1 3 4 0 1
2 0 3 0 2
3 0 4 0 3
4 0 5 0 4
5 0 6 0 3
5 0 7 2 1
6 0 8 0 2
8 0 9 0 1
