pair,contact1,contact2,flow1,flow2 1ql2_A_,3,5,1,1 1ql2_A_,5,9,1,1 1ql2_A_,6,9,1,1 1ql2_A_,7,10,1,1 1ql2_A_,7,11,1,1 1ql2_A_,9,12,1,1 1ql2_A_,10,13,1,1 1ql2_A_,11,14,1,1 1ql2_A_,12,16,1,1 1ql2_A_,13,17,1,1 1ql2_A_,15,19,1,1 1ql2_A_,16,20,1,1 1ql2_A_,17,21,1,1 1ql2_A_,18,22,1,1 1ql2_A_,22,25,1,1 1ql2_A_,22,26,1,1 1ql2_A_,23,27,1,1 1ql2_A_,24,28,1,1 1ql2_A_,25,29,1,1 1ql2_A_,26,30,1,1 1ql2_A_,27,31,1,1 1ql2_A_,29,32,1,1 1ql2_A_,30,33,1,1 1ql2_A_,31,34,1,1 1ql2_A_,31,35,1,1 1ql2_A_,32,35,1,1 1ql2_A_,32,36,1,1 1ql2_A_,33,37,1,1 1ql2_A_,35,39,1,1 1ql2_A_,36,40,1,1 1ql2_A_,37,41,1,1 1ql2_A_,38,42,1,1 1ql2_A_,39,43,1,1 1ql2_A_,41,44,1,1 1ql2_A_,41,45,1,1 1ql2_A_,42,46,1,1