pair,contact1,contact2,flow1,flow2 2qrc_B_,3,5,1,1 2qrc_B_,8,11,1,1 2qrc_B_,9,12,1,1 2qrc_B_,12,17,1,1 2qrc_B_,17,19,1,1 2qrc_B_,27,30,1,1 2qrc_B_,33,36,1,1 2qrc_B_,34,37,1,1 2qrc_B_,40,42,1,1 2qrc_B_,40,44,1,1 2qrc_B_,44,46,1,1 2qrc_B_,44,47,1,1 2qrc_B_,52,54,1,1 2qrc_B_,52,55,1,1 2qrc_B_,55,58,1,1 2qrc_B_,57,74,1,1 2qrc_B_,60,72,1,1 2qrc_B_,64,68,1,1 2qrc_B_,69,88,1,1 2qrc_B_,71,86,1,1 2qrc_B_,73,84,1,1 2qrc_B_,74,83,1,1 2qrc_B_,75,82,1,1 2qrc_B_,77,80,1,1