RETEA
1 0
4
1 62 246 0 0
2 309 75 0 0
3 314 381 0 0
4 503 238 0 0
1 4
1 2 0 10 1 9
1 3 0 10 0 10
2 3 0 1 1 0
2 4 0 10 0 10
3 4 0 10 1 9
2 1 0 0 0 1
3 1 0 0 0 0
3 2 0 0 0 1
4 2 0 0 0 0
4 3 0 0 0 1