pair,contact1,contact2,flow1,flow2 2spz_A_,1,5,1,1 2spz_A_,1,10,1,1 2spz_A_,2,4,1,1 2spz_A_,2,5,1,1 2spz_A_,4,6,1,1 2spz_A_,6,7,1,1 2spz_A_,6,9,1,1 2spz_A_,6,10,1,1 2spz_A_,7,8,1,1 2spz_A_,7,11,1,1 2spz_A_,8,9,1,1 2spz_A_,8,12,1,1 2spz_A_,8,39,1,1 2spz_A_,9,13,1,1 2spz_A_,9,37,1,1 2spz_A_,10,14,1,1 2spz_A_,11,15,1,1 2spz_A_,12,16,1,1 2spz_A_,13,17,1,1 2spz_A_,14,18,1,1 2spz_A_,15,18,1,1 2spz_A_,16,19,1,1 2spz_A_,17,27,1,1 2spz_A_,21,52,1,1 2spz_A_,21,55,1,1 2spz_A_,22,27,1,1 2spz_A_,23,24,1,1 2spz_A_,23,27,1,1 2spz_A_,24,26,1,1 2spz_A_,24,27,1,1 2spz_A_,24,28,1,1 2spz_A_,25,29,1,1 2spz_A_,26,30,1,1 2spz_A_,27,31,1,1 2spz_A_,28,32,1,1 2spz_A_,29,33,1,1 2spz_A_,30,34,1,1 2spz_A_,31,35,1,1 2spz_A_,32,35,1,1 2spz_A_,32,36,1,1 2spz_A_,33,37,1,1 2spz_A_,33,41,1,1 2spz_A_,35,36,1,1 2spz_A_,37,40,1,1 2spz_A_,37,41,1,1 2spz_A_,39,42,1,1 2spz_A_,40,43,1,1 2spz_A_,40,44,1,1 2spz_A_,42,46,1,1 2spz_A_,43,47,1,1 2spz_A_,44,48,1,1 2spz_A_,45,49,1,1 2spz_A_,46,50,1,1 2spz_A_,47,51,1,1 2spz_A_,48,52,1,1 2spz_A_,49,53,1,1 2spz_A_,50,53,1,1 2spz_A_,50,54,1,1 2spz_A_,50,58,1,1 2spz_A_,51,55,1,1 2spz_A_,52,53,1,1 2spz_A_,52,56,1,1