100
two<>four<>1 0.1440 1 3 5
three<>four<>2 0.0500 1 1 5
one<>four<>3 0.0151 3 13 5
two<>two<>4 0.0123 2 3 7
one<>two<>5 0.0003 5 13 7
one<>three<>6 0.0000 5 13 5