RETEA
0 0
4
1 192 213 0 0
2 375 97 0 0
3 390 314 0 0
4 565 204 0 0
1 4
1 2 0 2 2 0
1 3 0 4 3 0
2 3 0 3 2 0
2 4 0 1 0 0
3 4 0 5 5 0