pair,contact1,contact2,flow1,flow2 1uvg_A_,1,4,1,1 1uvg_A_,2,5,1,1 1uvg_A_,2,6,1,1 1uvg_A_,2,51,1,1 1uvg_A_,3,6,1,1 1uvg_A_,5,16,1,1 1uvg_A_,11,15,1,1 1uvg_A_,16,40,1,1 1uvg_A_,17,37,1,1 1uvg_A_,25,33,1,1 1uvg_A_,26,27,1,1 1uvg_A_,26,53,1,1 1uvg_A_,26,54,1,1 1uvg_A_,27,30,1,1 1uvg_A_,27,31,1,1 1uvg_A_,28,51,1,1 1uvg_A_,29,48,1,1 1uvg_A_,31,46,1,1 1uvg_A_,31,58,1,1 1uvg_A_,32,58,1,1 1uvg_A_,35,38,1,1 1uvg_A_,36,39,1,1 1uvg_A_,39,43,1,1 1uvg_A_,40,43,1,1 1uvg_A_,40,44,1,1 1uvg_A_,41,44,1,1 1uvg_A_,41,45,1,1 1uvg_A_,42,46,1,1 1uvg_A_,59,62,1,1 1uvg_A_,62,63,1,1 1uvg_A_,66,69,1,1 1uvg_A_,67,70,1,1 1uvg_A_,68,71,1,1