7 28 1 1 0.0 1 2 -0.8633836882546597 1 3 0.0 1 4 0.0 1 5 0.0 1 6 0.0 1 7 0.0 2 2 0.0 2 3 -0.47827082091811807 2 4 0.0 2 5 0.0 2 6 0.0 2 7 0.0 3 3 0.0 3 4 0.7528486748475691 3 5 0.0 3 6 0.0 3 7 0.0 4 4 0.0 4 5 0.07284279507829444 4 6 0.0 4 7 0.0 5 5 0.0 5 6 -0.14789591360844367 5 7 0.0 6 6 0.0 6 7 -1.8716983490018708 7 7 0.0