test36.txt

t36.py
===
10
0 1 0 0 0 0 0 0 0 0
1 0 0 1 1 0 1 0 0 0
0 0 0 0 1 0 0 0 1 0
0 1 0 0 0 0 1 0 0 0
0 1 1 0 0 0 0 0 0 1
0 0 0 0 0 0 1 0 0 1
0 1 0 1 0 1 0 0 0 0
0 0 0 0 0 0 0 0 1 0
0 0 1 0 0 0 0 1 0 0
0 0 0 0 1 1 0 0 0 0
5 4
---
2
===
5
0 1 0 0 1
1 0 1 0 0
0 1 0 0 0
0 0 0 0 0
1 0 0 0 0
3 5
---
3
===
1
1
1 1
---
0
===
2
1 0
0 1
1 2
---
-1