pair,contact1,contact2,flow1,flow2 4dwf_A_,4,5,1,1 4dwf_A_,4,24,1,1 4dwf_A_,6,22,1,1 4dwf_A_,7,67,1,1 4dwf_A_,8,20,1,1 4dwf_A_,9,68,1,1 4dwf_A_,9,70,1,1 4dwf_A_,10,18,1,1 4dwf_A_,11,70,1,1 4dwf_A_,11,72,1,1 4dwf_A_,12,14,1,1 4dwf_A_,12,15,1,1 4dwf_A_,12,16,1,1 4dwf_A_,14,16,1,1 4dwf_A_,25,59,1,1 4dwf_A_,26,29,1,1 4dwf_A_,26,30,1,1 4dwf_A_,27,31,1,1 4dwf_A_,27,58,1,1 4dwf_A_,28,32,1,1 4dwf_A_,28,56,1,1 4dwf_A_,29,33,1,1 4dwf_A_,30,34,1,1 4dwf_A_,31,45,1,1 4dwf_A_,31,56,1,1 4dwf_A_,34,38,1,1 4dwf_A_,35,40,1,1 4dwf_A_,40,45,1,1 4dwf_A_,41,44,1,1 4dwf_A_,42,45,1,1 4dwf_A_,43,75,1,1 4dwf_A_,44,74,1,1 4dwf_A_,44,75,1,1 4dwf_A_,46,73,1,1 4dwf_A_,47,54,1,1 4dwf_A_,48,71,1,1 4dwf_A_,49,52,1,1 4dwf_A_,55,58,1,1 4dwf_A_,55,63,1,1 4dwf_A_,59,62,1,1 4dwf_A_,60,63,1,1 4dwf_A_,61,64,1,1 4dwf_A_,65,68,1,1