17
three<>four<>1 2.5500 1 5 1
one<>three<>2 2.1795 13 5 5
one<>four<>3 1.0679 13 5 3
two<>two<>4 0.9772 3 7 2
one<>two<>5 0.1681 13 7 5
two<>four<>6 0.0270 3 5 1