pair,contact1,contact2,flow1,flow2 2nzd_B_,4,7,1,1 2nzd_B_,5,8,1,1 2nzd_B_,6,9,1,1 2nzd_B_,7,32,1,1 2nzd_B_,9,35,1,1 2nzd_B_,10,13,1,1 2nzd_B_,10,14,1,1 2nzd_B_,11,15,1,1 2nzd_B_,12,16,1,1 2nzd_B_,13,17,1,1 2nzd_B_,14,18,1,1 2nzd_B_,15,19,1,1 2nzd_B_,15,31,1,1 2nzd_B_,16,20,1,1 2nzd_B_,17,21,1,1 2nzd_B_,18,23,1,1 2nzd_B_,19,22,1,1 2nzd_B_,19,23,1,1 2nzd_B_,19,24,1,1 2nzd_B_,27,29,1,1 2nzd_B_,27,30,1,1 2nzd_B_,29,33,1,1 2nzd_B_,30,34,1,1 2nzd_B_,31,35,1,1 2nzd_B_,32,35,1,1 2nzd_B_,32,36,1,1 2nzd_B_,33,37,1,1 2nzd_B_,34,38,1,1 2nzd_B_,35,39,1,1 2nzd_B_,36,40,1,1 2nzd_B_,37,41,1,1 2nzd_B_,38,42,1,1 2nzd_B_,39,43,1,1 2nzd_B_,40,44,1,1 2nzd_B_,41,45,1,1 2nzd_B_,42,46,1,1 2nzd_B_,43,47,1,1 2nzd_B_,44,47,1,1 2nzd_B_,44,48,1,1 2nzd_B_,45,49,1,1 2nzd_B_,46,50,1,1 2nzd_B_,47,51,1,1 2nzd_B_,48,52,1,1 2nzd_B_,48,72,1,1 2nzd_B_,49,53,1,1 2nzd_B_,50,54,1,1 2nzd_B_,51,55,1,1 2nzd_B_,52,56,1,1 2nzd_B_,53,56,1,1 2nzd_B_,53,58,1,1 2nzd_B_,53,65,1,1 2nzd_B_,54,57,1,1 2nzd_B_,58,65,1,1 2nzd_B_,62,65,1,1 2nzd_B_,62,66,1,1 2nzd_B_,63,67,1,1 2nzd_B_,64,68,1,1 2nzd_B_,65,69,1,1 2nzd_B_,66,70,1,1 2nzd_B_,67,71,1,1 2nzd_B_,68,72,1,1 2nzd_B_,69,73,1,1 2nzd_B_,70,73,1,1 2nzd_B_,70,75,1,1 2nzd_B_,71,74,1,1