pair,contact1,contact2,flow1,flow2 1dk3_A_,1,4,1,1 1dk3_A_,6,8,1,1 1dk3_A_,15,18,1,1 1dk3_A_,15,19,1,1 1dk3_A_,16,20,1,1 1dk3_A_,17,21,1,1 1dk3_A_,18,22,1,1 1dk3_A_,19,23,1,1 1dk3_A_,20,24,1,1 1dk3_A_,21,24,1,1 1dk3_A_,21,25,1,1 1dk3_A_,22,26,1,1 1dk3_A_,23,26,1,1 1dk3_A_,23,27,1,1 1dk3_A_,24,28,1,1 1dk3_A_,26,29,1,1 1dk3_A_,30,32,1,1 1dk3_A_,33,37,1,1 1dk3_A_,35,39,1,1 1dk3_A_,36,40,1,1 1dk3_A_,37,41,1,1 1dk3_A_,38,42,1,1 1dk3_A_,39,43,1,1 1dk3_A_,40,44,1,1 1dk3_A_,41,45,1,1 1dk3_A_,42,46,1,1 1dk3_A_,43,47,1,1 1dk3_A_,44,48,1,1 1dk3_A_,45,48,1,1 1dk3_A_,46,49,1,1 1dk3_A_,55,58,1,1 1dk3_A_,56,59,1,1 1dk3_A_,56,60,1,1 1dk3_A_,57,61,1,1 1dk3_A_,67,71,1,1 1dk3_A_,68,72,1,1 1dk3_A_,69,73,1,1 1dk3_A_,70,74,1,1 1dk3_A_,71,75,1,1 1dk3_A_,72,76,1,1 1dk3_A_,73,76,1,1 1dk3_A_,73,77,1,1 1dk3_A_,74,78,1,1