17
three<>four<>1 0.1500 1 5 1
one<>three<>2 0.1282 13 5 5
one<>four<>3 0.0628 13 5 3
two<>two<>4 0.0575 3 7 2
one<>two<>5 0.0099 13 7 5
two<>four<>6 0.0016 3 5 1