17 three<>four<>1 1.7655 1 1 5 two<>two<>2 0.6951 2 3 7 one<>three<>3 0.3870 5 13 5 two<>four<>4 0.1806 1 3 5 one<>two<>5 -0.0984 5 13 7 one<>four<>6 -0.3499 3 13 5