pair,contact1,contact2,flow1,flow2 2b1u_A_,1,6,1,1 2b1u_A_,2,6,1,1 2b1u_A_,4,8,1,1 2b1u_A_,5,9,1,1 2b1u_A_,6,10,1,1 2b1u_A_,7,11,1,1 2b1u_A_,8,12,1,1 2b1u_A_,9,13,1,1 2b1u_A_,9,62,1,1 2b1u_A_,11,14,1,1 2b1u_A_,13,16,1,1 2b1u_A_,17,22,1,1 2b1u_A_,20,60,1,1 2b1u_A_,21,61,1,1 2b1u_A_,23,59,1,1 2b1u_A_,24,28,1,1 2b1u_A_,25,29,1,1 2b1u_A_,26,29,1,1 2b1u_A_,26,30,1,1 2b1u_A_,27,31,1,1 2b1u_A_,28,32,1,1 2b1u_A_,30,33,1,1 2b1u_A_,31,34,1,1 2b1u_A_,32,35,1,1 2b1u_A_,32,36,1,1 2b1u_A_,37,43,1,1 2b1u_A_,39,41,1,1 2b1u_A_,40,44,1,1 2b1u_A_,41,45,1,1 2b1u_A_,42,46,1,1 2b1u_A_,43,47,1,1 2b1u_A_,44,48,1,1 2b1u_A_,45,49,1,1 2b1u_A_,47,51,1,1 2b1u_A_,50,70,1,1 2b1u_A_,54,58,1,1 2b1u_A_,56,58,1,1 2b1u_A_,60,64,1,1 2b1u_A_,62,65,1,1 2b1u_A_,63,67,1,1 2b1u_A_,64,67,1,1 2b1u_A_,64,68,1,1 2b1u_A_,65,69,1,1 2b1u_A_,69,71,1,1