5 15
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1 2 0.6164593126261553
1 3 0.0
1 4 0.0
1 5 0.0
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2 3 0.5365965205668235
2 4 0.0
2 5 0.0
3 3 0.0
3 4 0.4046954556143003
3 5 0.0
4 4 0.0
4 5 0.19145087202391178
5 5 0.0