pair,contact1,contact2,flow1,flow2 1qwf_A_,2,24,1,1 1qwf_A_,3,54,1,1 1qwf_A_,4,21,1,1 1qwf_A_,4,22,1,1 1qwf_A_,6,52,1,1 1qwf_A_,7,20,1,1 1qwf_A_,12,15,1,1 1qwf_A_,14,47,1,1 1qwf_A_,16,47,1,1 1qwf_A_,19,22,1,1 1qwf_A_,25,38,1,1 1qwf_A_,28,36,1,1 1qwf_A_,33,50,1,1 1qwf_A_,37,46,1,1 1qwf_A_,39,44,1,1 1qwf_A_,49,52,1,1 1qwf_A_,50,53,1,1