pair,contact1,contact2,flow1,flow2 2r2z_A_,2,14,1,1 2r2z_A_,4,5,1,1 2r2z_A_,4,12,1,1 2r2z_A_,5,7,1,1 2r2z_A_,6,10,1,1 2r2z_A_,7,10,1,1 2r2z_A_,9,78,1,1 2r2z_A_,10,75,1,1 2r2z_A_,11,76,1,1 2r2z_A_,13,74,1,1 2r2z_A_,14,16,1,1 2r2z_A_,15,72,1,1 2r2z_A_,17,21,1,1 2r2z_A_,18,22,1,1 2r2z_A_,18,34,1,1 2r2z_A_,19,23,1,1 2r2z_A_,20,24,1,1 2r2z_A_,21,25,1,1 2r2z_A_,22,27,1,1 2r2z_A_,22,29,1,1 2r2z_A_,35,37,1,1 2r2z_A_,35,38,1,1 2r2z_A_,36,40,1,1 2r2z_A_,37,41,1,1 2r2z_A_,38,42,1,1 2r2z_A_,39,43,1,1 2r2z_A_,40,44,1,1 2r2z_A_,48,51,1,1 2r2z_A_,49,68,1,1 2r2z_A_,52,65,1,1 2r2z_A_,53,64,1,1 2r2z_A_,54,63,1,1 2r2z_A_,55,62,1,1 2r2z_A_,57,60,1,1 2r2z_A_,59,79,1,1 2r2z_A_,61,77,1,1 2r2z_A_,61,79,1,1 2r2z_A_,63,75,1,1 2r2z_A_,65,73,1,1 2r2z_A_,65,75,1,1 2r2z_A_,66,72,1,1 2r2z_A_,66,73,1,1 2r2z_A_,67,70,1,1