pair,contact1,contact2,flow1,flow2 8wpk_D_,5,6,1,1 8wpk_D_,6,9,1,1 8wpk_D_,7,11,1,1 8wpk_D_,8,12,1,1 8wpk_D_,9,13,1,1 8wpk_D_,10,14,1,1 8wpk_D_,11,15,1,1 8wpk_D_,12,16,1,1 8wpk_D_,13,17,1,1 8wpk_D_,14,18,1,1 8wpk_D_,15,19,1,1 8wpk_D_,16,17,1,1 8wpk_D_,16,20,1,1 8wpk_D_,17,21,1,1 8wpk_D_,18,22,1,1 8wpk_D_,19,23,1,1 8wpk_D_,20,23,1,1 8wpk_D_,20,24,1,1 8wpk_D_,21,25,1,1 8wpk_D_,22,26,1,1 8wpk_D_,23,27,1,1 8wpk_D_,24,28,1,1 8wpk_D_,25,29,1,1 8wpk_D_,26,29,1,1 8wpk_D_,26,30,1,1 8wpk_D_,27,30,1,1 8wpk_D_,27,31,1,1 8wpk_D_,28,32,1,1 8wpk_D_,29,33,1,1 8wpk_D_,31,35,1,1 8wpk_D_,32,36,1,1 8wpk_D_,33,37,1,1 8wpk_D_,44,48,1,1 8wpk_D_,45,49,1,1 8wpk_D_,46,50,1,1 8wpk_D_,47,51,1,1 8wpk_D_,48,52,1,1 8wpk_D_,49,53,1,1 8wpk_D_,50,53,1,1 8wpk_D_,50,54,1,1 8wpk_D_,51,55,1,1 8wpk_D_,52,56,1,1 8wpk_D_,53,57,1,1 8wpk_D_,54,58,1,1 8wpk_D_,55,59,1,1 8wpk_D_,56,60,1,1 8wpk_D_,57,61,1,1 8wpk_D_,58,62,1,1 8wpk_D_,59,63,1,1 8wpk_D_,62,65,1,1