pair,contact1,contact2,flow1,flow2 6txt_A_,13,15,1,1 6txt_A_,14,18,1,1 6txt_A_,15,19,1,1 6txt_A_,16,20,1,1 6txt_A_,17,21,1,1 6txt_A_,18,22,1,1 6txt_A_,19,23,1,1 6txt_A_,20,24,1,1 6txt_A_,21,25,1,1 6txt_A_,22,26,1,1 6txt_A_,22,69,1,1 6txt_A_,23,27,1,1 6txt_A_,24,28,1,1 6txt_A_,25,29,1,1 6txt_A_,26,30,1,1 6txt_A_,27,31,1,1 6txt_A_,28,32,1,1 6txt_A_,38,41,1,1 6txt_A_,38,42,1,1 6txt_A_,39,43,1,1 6txt_A_,39,72,1,1 6txt_A_,40,44,1,1 6txt_A_,41,45,1,1 6txt_A_,42,47,1,1 6txt_A_,42,48,1,1 6txt_A_,43,46,1,1 6txt_A_,49,52,1,1 6txt_A_,49,53,1,1 6txt_A_,50,54,1,1 6txt_A_,51,55,1,1 6txt_A_,52,56,1,1 6txt_A_,53,57,1,1 6txt_A_,54,58,1,1 6txt_A_,56,59,1,1 6txt_A_,56,60,1,1 6txt_A_,56,69,1,1 6txt_A_,57,61,1,1 6txt_A_,58,62,1,1 6txt_A_,59,62,1,1 6txt_A_,60,63,1,1 6txt_A_,60,65,1,1 6txt_A_,68,70,1,1