pair,contact1,contact2,flow1,flow2 2j2s_A_,11,56,1,1 2j2s_A_,13,54,1,1 2j2s_A_,16,20,1,1 2j2s_A_,18,21,1,1 2j2s_A_,21,50,1,1 2j2s_A_,28,32,1,1 2j2s_A_,31,34,1,1 2j2s_A_,33,40,1,1 2j2s_A_,33,41,1,1 2j2s_A_,34,37,1,1 2j2s_A_,34,39,1,1 2j2s_A_,35,38,1,1 2j2s_A_,43,45,1,1 2j2s_A_,47,50,1,1 2j2s_A_,47,51,1,1 2j2s_A_,52,54,1,1 2j2s_A_,61,65,1,1 2j2s_A_,69,71,1,1