pair,contact1,contact2,flow1,flow2 2n91_A_,4,15,1,1 2n91_A_,6,13,1,1 2n91_A_,8,11,1,1 2n91_A_,16,20,1,1 2n91_A_,18,21,1,1 2n91_A_,19,22,1,1 2n91_A_,19,23,1,1 2n91_A_,20,24,1,1 2n91_A_,21,27,1,1 2n91_A_,25,27,1,1 2n91_A_,26,28,1,1 2n91_A_,27,30,1,1 2n91_A_,27,31,1,1 2n91_A_,31,34,1,1 2n91_A_,38,41,1,1 2n91_A_,42,46,1,1 2n91_A_,43,47,1,1 2n91_A_,44,48,1,1 2n91_A_,52,55,1,1 2n91_A_,52,56,1,1 2n91_A_,55,58,1,1 2n91_A_,55,59,1,1 2n91_A_,55,60,1,1 2n91_A_,64,67,1,1 2n91_A_,64,68,1,1