pair,contact1,contact2,flow1,flow2 7dxh_k_,4,7,1,1 7dxh_k_,7,11,1,1 7dxh_k_,8,12,1,1 7dxh_k_,10,13,1,1 7dxh_k_,11,14,1,1 7dxh_k_,14,17,1,1 7dxh_k_,16,20,1,1 7dxh_k_,17,20,1,1 7dxh_k_,18,21,1,1 7dxh_k_,20,23,1,1 7dxh_k_,20,24,1,1 7dxh_k_,21,25,1,1 7dxh_k_,24,27,1,1 7dxh_k_,24,28,1,1 7dxh_k_,25,29,1,1 7dxh_k_,29,34,1,1