5 15
1 1 0.0
1 2 0.8584744119225003
1 3 0.0
1 4 0.0
1 5 0.0
2 2 0.0
2 3 0.7314692485188868
2 4 0.0
2 5 0.0
3 3 0.0
3 4 0.2873908394106073
3 5 0.0
4 4 0.0
4 5 0.09256399611204667
5 5 0.0