pair,contact1,contact2,flow1,flow2
8cvk_1u_,1,4,1,1
8cvk_1u_,4,6,1,1
8cvk_1u_,4,7,1,1
8cvk_1u_,7,10,1,1
8cvk_1u_,7,11,1,1
8cvk_1u_,9,13,1,1
8cvk_1u_,10,14,1,1
8cvk_1u_,11,16,1,1
8cvk_1u_,12,15,1,1
8cvk_1u_,16,21,1,1
8cvk_1u_,18,21,1,1