pair,contact1,contact2,flow1,flow2 1y74_B_,1,5,1,1 1y74_B_,1,41,1,1 1y74_B_,2,6,1,1 1y74_B_,3,7,1,1 1y74_B_,4,8,1,1 1y74_B_,5,9,1,1 1y74_B_,6,10,1,1 1y74_B_,7,11,1,1 1y74_B_,8,12,1,1 1y74_B_,9,13,1,1 1y74_B_,10,14,1,1 1y74_B_,11,14,1,1 1y74_B_,12,15,1,1 1y74_B_,17,18,1,1 1y74_B_,18,22,1,1 1y74_B_,19,23,1,1 1y74_B_,20,24,1,1 1y74_B_,21,25,1,1 1y74_B_,22,26,1,1 1y74_B_,23,27,1,1 1y74_B_,24,28,1,1 1y74_B_,26,29,1,1 1y74_B_,26,30,1,1 1y74_B_,30,34,1,1 1y74_B_,31,35,1,1 1y74_B_,32,36,1,1 1y74_B_,33,37,1,1 1y74_B_,34,38,1,1 1y74_B_,35,39,1,1 1y74_B_,36,40,1,1 1y74_B_,37,41,1,1 1y74_B_,38,42,1,1 1y74_B_,39,43,1,1 1y74_B_,40,44,1,1 1y74_B_,41,45,1,1 1y74_B_,42,46,1,1 1y74_B_,44,47,1,1 1y74_B_,44,48,1,1