pair,contact1,contact2,flow1,flow2 1n34_N_,1,26,1,1 1n34_N_,2,5,1,1 1n34_N_,3,6,1,1 1n34_N_,6,9,1,1 1n34_N_,7,10,1,1 1n34_N_,8,11,1,1 1n34_N_,10,12,1,1 1n34_N_,16,18,1,1 1n34_N_,19,21,1,1 1n34_N_,23,27,1,1 1n34_N_,24,37,1,1 1n34_N_,25,45,1,1 1n34_N_,26,28,1,1 1n34_N_,30,31,1,1 1n34_N_,30,39,1,1 1n34_N_,31,33,1,1 1n34_N_,31,39,1,1 1n34_N_,34,37,1,1 1n34_N_,36,38,1,1 1n34_N_,41,44,1,1 1n34_N_,42,46,1,1 1n34_N_,43,47,1,1 1n34_N_,44,48,1,1 1n34_N_,46,49,1,1