pair,contact1,contact2,flow1,flow2 1whh_A_,1,2,1,1 1whh_A_,29,42,1,1 1whh_A_,30,42,1,1 1whh_A_,31,95,1,1 1whh_A_,32,40,1,1 1whh_A_,33,36,1,1 1whh_A_,33,93,1,1 1whh_A_,34,37,1,1 1whh_A_,34,38,1,1 1whh_A_,35,37,1,1 1whh_A_,35,91,1,1 1whh_A_,41,59,1,1 1whh_A_,42,43,1,1 1whh_A_,43,57,1,1 1whh_A_,44,57,1,1 1whh_A_,46,55,1,1 1whh_A_,48,51,1,1 1whh_A_,49,76,1,1 1whh_A_,52,55,1,1 1whh_A_,56,58,1,1 1whh_A_,58,85,1,1 1whh_A_,60,83,1,1 1whh_A_,65,82,1,1 1whh_A_,66,84,1,1 1whh_A_,67,83,1,1 1whh_A_,67,84,1,1 1whh_A_,68,82,1,1 1whh_A_,71,74,1,1 1whh_A_,88,91,1,1 1whh_A_,89,92,1,1