pair,contact1,contact2,flow1,flow2 1crf_A_,1,14,1,1 1crf_A_,2,3,1,1 1crf_A_,2,60,1,1 1crf_A_,3,12,1,1 1crf_A_,19,39,1,1 1crf_A_,20,39,1,1 1crf_A_,21,37,1,1 1crf_A_,21,53,1,1 1crf_A_,21,54,1,1 1crf_A_,22,37,1,1 1crf_A_,23,52,1,1 1crf_A_,24,35,1,1 1crf_A_,25,50,1,1 1crf_A_,54,56,1,1 1crf_A_,54,57,1,1 1crf_A_,54,59,1,1 1crf_A_,56,59,1,1 1crf_A_,57,59,1,1 1crf_A_,57,60,1,1