pair,contact1,contact2,flow1,flow2 2dn0_A_,16,19,1,1 2dn0_A_,16,20,1,1 2dn0_A_,17,21,1,1 2dn0_A_,19,23,1,1 2dn0_A_,20,24,1,1 2dn0_A_,21,25,1,1 2dn0_A_,23,26,1,1 2dn0_A_,23,27,1,1 2dn0_A_,24,28,1,1 2dn0_A_,26,30,1,1 2dn0_A_,26,37,1,1 2dn0_A_,35,39,1,1 2dn0_A_,36,40,1,1 2dn0_A_,37,41,1,1 2dn0_A_,38,42,1,1 2dn0_A_,40,43,1,1 2dn0_A_,40,44,1,1 2dn0_A_,41,45,1,1 2dn0_A_,48,52,1,1 2dn0_A_,49,53,1,1 2dn0_A_,50,54,1,1 2dn0_A_,51,55,1,1 2dn0_A_,54,57,1,1 2dn0_A_,54,58,1,1 2dn0_A_,55,59,1,1 2dn0_A_,56,60,1,1 2dn0_A_,57,61,1,1 2dn0_A_,58,62,1,1 2dn0_A_,59,63,1,1