input:

4 5 3
1 2
1 3
1 4
2 3
3 4
2 2
2 3
2 4

output:

0 1 1 1 
1 0 1 2 
1 1 0 1 
1 2 1 0 

result:

wrong answer 3rd numbers differ - expected: '2', found: '1'