7 28 1 1 0.0 1 2 -0.9459744991786798 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 0.2136550552384377 2 4 0.0 2 5 0.0 2 6 0.0 2 7 0.0 3 3 0.0 3 4 -1.134017993643652 3 5 0.0 3 6 0.0 3 7 0.0 4 4 0.0 4 5 0.6967772469314488 4 6 0.0 4 7 0.0 5 5 0.0 5 6 -1.0132279947706317 5 7 0.0 6 6 0.0 6 7 -1.6084230769273058 7 7 0.0