6 21
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1 2 2.0184846094739246
1 3 0.0
1 4 0.0
1 5 0.0
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2 2 0.0
2 3 0.565614551698936
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3 3 0.0
3 4 -0.2051413294738447
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3 6 0.0
4 4 0.0
4 5 0.9329389206665025
4 6 0.0
5 5 0.0
5 6 0.6280627453770073
6 6 0.0