pair,contact1,contact2,flow1,flow2 2gf4_A_,1,4,1,1 2gf4_A_,1,5,1,1 2gf4_A_,2,6,1,1 2gf4_A_,2,42,1,1 2gf4_A_,2,44,1,1 2gf4_A_,3,7,1,1 2gf4_A_,4,8,1,1 2gf4_A_,5,9,1,1 2gf4_A_,6,10,1,1 2gf4_A_,7,11,1,1 2gf4_A_,9,32,1,1 2gf4_A_,9,49,1,1 2gf4_A_,10,13,1,1 2gf4_A_,11,14,1,1 2gf4_A_,12,16,1,1 2gf4_A_,13,17,1,1 2gf4_A_,14,18,1,1 2gf4_A_,15,19,1,1 2gf4_A_,15,33,1,1 2gf4_A_,16,20,1,1 2gf4_A_,17,20,1,1 2gf4_A_,18,21,1,1 2gf4_A_,25,27,1,1 2gf4_A_,25,28,1,1 2gf4_A_,27,30,1,1 2gf4_A_,29,33,1,1 2gf4_A_,30,34,1,1 2gf4_A_,31,35,1,1 2gf4_A_,32,35,1,1 2gf4_A_,32,37,1,1 2gf4_A_,33,36,1,1 2gf4_A_,38,41,1,1 2gf4_A_,40,42,1,1 2gf4_A_,41,44,1,1 2gf4_A_,41,49,1,1 2gf4_A_,45,48,1,1 2gf4_A_,45,49,1,1 2gf4_A_,46,50,1,1 2gf4_A_,47,51,1,1 2gf4_A_,48,52,1,1 2gf4_A_,49,53,1,1 2gf4_A_,50,54,1,1 2gf4_A_,51,55,1,1 2gf4_A_,52,56,1,1 2gf4_A_,53,57,1,1 2gf4_A_,54,58,1,1 2gf4_A_,55,59,1,1 2gf4_A_,56,60,1,1 2gf4_A_,57,61,1,1 2gf4_A_,58,62,1,1 2gf4_A_,59,63,1,1 2gf4_A_,62,65,1,1 2gf4_A_,63,66,1,1 2gf4_A_,64,68,1,1 2gf4_A_,65,69,1,1 2gf4_A_,66,70,1,1 2gf4_A_,67,70,1,1 2gf4_A_,67,72,1,1 2gf4_A_,70,73,1,1 2gf4_A_,70,74,1,1 2gf4_A_,71,75,1,1 2gf4_A_,72,76,1,1 2gf4_A_,73,77,1,1 2gf4_A_,76,79,1,1 2gf4_A_,77,80,1,1 2gf4_A_,78,82,1,1 2gf4_A_,79,83,1,1 2gf4_A_,80,84,1,1 2gf4_A_,82,85,1,1