-1

3 1 1 3 -2 100 100 100 100
1 0 0 0 0 -1 100 100 100
-1 0 0 0 1 -3 0 100 100
1 0 0 0 0 1 -2 1 100
0 -2 0 -3 100 0 2 1 0
100 -2 0 0 0 1 0 0 0
100 100 0 0 0 0 0 -3 3
100 100 100 0 0 0 0 0 0
100 100 100 100 0 0 0 -3 0

1 1 1 1 1 0 0 0 0
1 0 0 0 0 1 0 0 0
2 0 0 0 2 1 0 0 0
1 0 0 0 0 1 1 1 0
0 1 0 1 0 0 1 1 0
0 3 0 0 0 1 0 0 0
0 0 0 0 0 0 0 4 1
0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 1 0