pair,contact1,contact2,flow1,flow2 2n1u_A_,4,6,1,1 2n1u_A_,5,20,1,1 2n1u_A_,7,18,1,1 2n1u_A_,7,48,1,1 2n1u_A_,7,55,1,1 2n1u_A_,8,43,1,1 2n1u_A_,8,50,1,1 2n1u_A_,9,16,1,1 2n1u_A_,10,41,1,1 2n1u_A_,11,14,1,1 2n1u_A_,11,55,1,1 2n1u_A_,12,39,1,1 2n1u_A_,15,16,1,1 2n1u_A_,15,43,1,1 2n1u_A_,16,55,1,1 2n1u_A_,23,51,1,1 2n1u_A_,25,49,1,1 2n1u_A_,26,28,1,1 2n1u_A_,26,29,1,1 2n1u_A_,29,32,1,1 2n1u_A_,29,33,1,1 2n1u_A_,30,33,1,1 2n1u_A_,30,34,1,1 2n1u_A_,31,35,1,1 2n1u_A_,32,63,1,1 2n1u_A_,33,36,1,1 2n1u_A_,34,37,1,1 2n1u_A_,35,36,1,1 2n1u_A_,41,42,1,1 2n1u_A_,43,45,1,1 2n1u_A_,44,47,1,1 2n1u_A_,52,55,1,1 2n1u_A_,52,56,1,1 2n1u_A_,53,57,1,1 2n1u_A_,54,58,1,1 2n1u_A_,55,59,1,1 2n1u_A_,56,60,1,1 2n1u_A_,57,61,1,1 2n1u_A_,58,62,1,1 2n1u_A_,60,63,1,1 2n1u_A_,60,64,1,1 2n1u_A_,61,64,1,1