pair,contact1,contact2,flow1,flow2 4wmk_D_,2,3,1,1 4wmk_D_,3,14,1,1 4wmk_D_,5,7,1,1 4wmk_D_,5,11,1,1 4wmk_D_,5,12,1,1 4wmk_D_,6,33,1,1 4wmk_D_,8,23,1,1 4wmk_D_,9,21,1,1 4wmk_D_,9,23,1,1 4wmk_D_,11,16,1,1 4wmk_D_,14,32,1,1 4wmk_D_,16,18,1,1 4wmk_D_,16,19,1,1 4wmk_D_,21,23,1,1 4wmk_D_,22,31,1,1 4wmk_D_,24,30,1,1 4wmk_D_,25,28,1,1 4wmk_D_,29,35,1,1 4wmk_D_,30,33,1,1 4wmk_D_,32,34,1,1