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