pair,contact1,contact2,flow1,flow2 1qlf_B_,3,31,1,1 1qlf_B_,4,86,1,1 1qlf_B_,6,28,1,1 1qlf_B_,8,25,1,1 1qlf_B_,8,26,1,1 1qlf_B_,10,24,1,1 1qlf_B_,11,13,1,1 1qlf_B_,12,22,1,1 1qlf_B_,13,21,1,1 1qlf_B_,16,19,1,1 1qlf_B_,17,97,1,1 1qlf_B_,18,72,1,1 1qlf_B_,21,22,1,1 1qlf_B_,21,70,1,1 1qlf_B_,23,68,1,1 1qlf_B_,25,66,1,1 1qlf_B_,27,64,1,1 1qlf_B_,30,62,1,1 1qlf_B_,32,84,1,1 1qlf_B_,36,83,1,1 1qlf_B_,38,45,1,1 1qlf_B_,38,80,1,1 1qlf_B_,38,81,1,1 1qlf_B_,39,46,1,1 1qlf_B_,40,79,1,1 1qlf_B_,41,44,1,1 1qlf_B_,42,76,1,1 1qlf_B_,42,77,1,1 1qlf_B_,47,49,1,1 1qlf_B_,48,68,1,1 1qlf_B_,50,67,1,1 1qlf_B_,51,52,1,1 1qlf_B_,52,65,1,1 1qlf_B_,53,55,1,1 1qlf_B_,55,63,1,1 1qlf_B_,57,60,1,1 1qlf_B_,57,61,1,1 1qlf_B_,59,61,1,1 1qlf_B_,67,68,1,1 1qlf_B_,73,76,1,1 1qlf_B_,78,95,1,1 1qlf_B_,80,93,1,1 1qlf_B_,82,91,1,1 1qlf_B_,84,86,1,1 1qlf_B_,84,87,1,1 1qlf_B_,96,99,1,1