pair,contact1,contact2,flow1,flow2
4v69_BU_,2,5,1,1
4v69_BU_,5,8,1,1
4v69_BU_,9,72,1,1
4v69_BU_,10,22,1,1
4v69_BU_,11,70,1,1
4v69_BU_,13,68,1,1
4v69_BU_,17,20,1,1
4v69_BU_,20,37,1,1
4v69_BU_,23,36,1,1
4v69_BU_,26,34,1,1
4v69_BU_,28,32,1,1
4v69_BU_,31,66,1,1
4v69_BU_,33,64,1,1
4v69_BU_,37,61,1,1
4v69_BU_,39,61,1,1
4v69_BU_,41,60,1,1
4v69_BU_,43,58,1,1
4v69_BU_,45,56,1,1
4v69_BU_,48,52,1,1
4v69_BU_,73,76,1,1
4v69_BU_,73,100,1,1
4v69_BU_,79,81,1,1
4v69_BU_,80,96,1,1
4v69_BU_,81,96,1,1
4v69_BU_,83,94,1,1
4v69_BU_,85,92,1,1
4v69_BU_,89,91,1,1
4v69_BU_,95,99,1,1