pair,contact1,contact2,flow1,flow2 2wss_V_,7,10,1,1 2wss_V_,15,19,1,1 2wss_V_,17,21,1,1 2wss_V_,30,33,1,1 2wss_V_,34,38,1,1 2wss_V_,35,39,1,1 2wss_V_,37,40,1,1 2wss_V_,38,41,1,1 2wss_V_,38,42,1,1 2wss_V_,39,42,1,1 2wss_V_,41,44,1,1 2wss_V_,41,45,1,1 2wss_V_,42,45,1,1 2wss_V_,50,52,1,1