RETEA
0 1
4
1 151 223 0 0
2 365 105 0 0
3 375 313 0 0
4 569 216 0 0
1 4
1 2 0 0 0 2
1 3 0 0 0 4
2 3 0 0 0 3
2 4 0 0 0 1
3 4 0 0 0 5