pair,contact1,contact2,flow1,flow2 8cai_R_,2,4,1,1 8cai_R_,2,5,1,1 8cai_R_,5,8,1,1 8cai_R_,5,9,1,1 8cai_R_,6,10,1,1 8cai_R_,8,11,1,1 8cai_R_,9,12,1,1 8cai_R_,12,20,1,1 8cai_R_,14,16,1,1 8cai_R_,14,17,1,1 8cai_R_,14,18,1,1 8cai_R_,17,43,1,1 8cai_R_,20,32,1,1 8cai_R_,21,24,1,1 8cai_R_,21,25,1,1 8cai_R_,22,26,1,1 8cai_R_,25,27,1,1 8cai_R_,28,31,1,1 8cai_R_,28,32,1,1 8cai_R_,29,33,1,1 8cai_R_,30,34,1,1 8cai_R_,31,35,1,1 8cai_R_,32,36,1,1 8cai_R_,33,37,1,1 8cai_R_,34,38,1,1 8cai_R_,35,39,1,1 8cai_R_,36,40,1,1 8cai_R_,37,41,1,1 8cai_R_,38,42,1,1 8cai_R_,39,43,1,1 8cai_R_,40,44,1,1 8cai_R_,41,45,1,1 8cai_R_,42,47,1,1 8cai_R_,42,48,1,1 8cai_R_,43,46,1,1 8cai_R_,50,54,1,1 8cai_R_,51,53,1,1 8cai_R_,51,54,1,1