pair,contact1,contact2,flow1,flow2 1wkx_A_,2,22,1,1 1wkx_A_,2,24,1,1 1wkx_A_,3,22,1,1 1wkx_A_,4,7,1,1 1wkx_A_,4,9,1,1 1wkx_A_,4,10,1,1 1wkx_A_,5,8,1,1 1wkx_A_,5,38,1,1 1wkx_A_,6,20,1,1 1wkx_A_,6,38,1,1 1wkx_A_,7,10,1,1 1wkx_A_,13,16,1,1 1wkx_A_,17,25,1,1 1wkx_A_,17,40,1,1 1wkx_A_,18,19,1,1 1wkx_A_,18,37,1,1 1wkx_A_,18,38,1,1 1wkx_A_,18,39,1,1 1wkx_A_,19,21,1,1 1wkx_A_,19,22,1,1 1wkx_A_,19,23,1,1 1wkx_A_,19,38,1,1 1wkx_A_,20,36,1,1 1wkx_A_,25,31,1,1 1wkx_A_,27,29,1,1 1wkx_A_,27,30,1,1 1wkx_A_,27,31,1,1 1wkx_A_,28,32,1,1 1wkx_A_,30,37,1,1 1wkx_A_,31,42,1,1 1wkx_A_,32,34,1,1 1wkx_A_,32,35,1,1 1wkx_A_,32,37,1,1 1wkx_A_,33,36,1,1 1wkx_A_,37,39,1,1