pair,contact1,contact2,flow1,flow2 2fac_A_,1,2,1,1 2fac_A_,2,5,1,1 2fac_A_,2,6,1,1 2fac_A_,3,7,1,1 2fac_A_,4,8,1,1 2fac_A_,4,24,1,1 2fac_A_,5,9,1,1 2fac_A_,6,10,1,1 2fac_A_,6,49,1,1 2fac_A_,7,11,1,1 2fac_A_,8,12,1,1 2fac_A_,8,22,1,1 2fac_A_,8,24,1,1 2fac_A_,9,13,1,1 2fac_A_,10,14,1,1 2fac_A_,11,15,1,1 2fac_A_,12,16,1,1 2fac_A_,12,17,1,1 2fac_A_,18,21,1,1 2fac_A_,19,22,1,1 2fac_A_,21,23,1,1 2fac_A_,23,26,1,1 2fac_A_,24,66,1,1 2fac_A_,26,65,1,1 2fac_A_,27,30,1,1 2fac_A_,27,31,1,1 2fac_A_,27,32,1,1 2fac_A_,28,34,1,1 2fac_A_,28,63,1,1 2fac_A_,35,38,1,1 2fac_A_,35,39,1,1 2fac_A_,37,41,1,1 2fac_A_,38,42,1,1 2fac_A_,39,43,1,1 2fac_A_,40,44,1,1 2fac_A_,41,45,1,1 2fac_A_,42,46,1,1 2fac_A_,43,47,1,1 2fac_A_,44,48,1,1 2fac_A_,45,49,1,1 2fac_A_,46,50,1,1 2fac_A_,47,52,1,1 2fac_A_,47,54,1,1 2fac_A_,48,51,1,1 2fac_A_,50,52,1,1 2fac_A_,55,58,1,1 2fac_A_,55,59,1,1 2fac_A_,56,60,1,1 2fac_A_,58,61,1,1 2fac_A_,59,62,1,1 2fac_A_,64,67,1,1 2fac_A_,64,68,1,1 2fac_A_,65,69,1,1 2fac_A_,66,70,1,1 2fac_A_,67,71,1,1 2fac_A_,68,72,1,1 2fac_A_,69,73,1,1 2fac_A_,70,74,1,1 2fac_A_,71,75,1,1 2fac_A_,72,75,1,1 2fac_A_,72,76,1,1