RETEA
1 0
4
1 80 159 0 0
2 226 70 0 0
3 223 234 0 0
4 376 144 0 0
1 4
1 2 0 5 1 0
1 3 0 5 0 0
2 3 0 1 1 0
2 4 0 5 0 0
3 4 0 5 1 0