pair,contact1,contact2,flow1,flow2 2wss_S_,4,6,1,1 2wss_S_,5,24,1,1 2wss_S_,7,9,1,1 2wss_S_,7,10,1,1 2wss_S_,9,11,1,1 2wss_S_,18,21,1,1 2wss_S_,19,22,1,1 2wss_S_,21,24,1,1 2wss_S_,21,25,1,1 2wss_S_,22,26,1,1 2wss_S_,23,102,1,1 2wss_S_,32,35,1,1 2wss_S_,32,36,1,1 2wss_S_,35,39,1,1 2wss_S_,36,109,1,1 2wss_S_,37,41,1,1 2wss_S_,38,41,1,1 2wss_S_,38,42,1,1 2wss_S_,39,43,1,1 2wss_S_,41,44,1,1 2wss_S_,41,45,1,1 2wss_S_,42,45,1,1 2wss_S_,53,56,1,1 2wss_S_,56,64,1,1 2wss_S_,59,62,1,1 2wss_S_,65,68,1,1 2wss_S_,66,69,1,1 2wss_S_,68,71,1,1 2wss_S_,69,70,1,1 2wss_S_,69,72,1,1 2wss_S_,71,72,1,1 2wss_S_,72,77,1,1 2wss_S_,78,81,1,1 2wss_S_,81,82,1,1 2wss_S_,81,85,1,1 2wss_S_,82,85,1,1 2wss_S_,82,86,1,1 2wss_S_,83,87,1,1 2wss_S_,84,88,1,1 2wss_S_,86,90,1,1 2wss_S_,87,92,1,1 2wss_S_,89,91,1,1 2wss_S_,92,95,1,1 2wss_S_,93,96,1,1 2wss_S_,95,98,1,1 2wss_S_,96,100,1,1 2wss_S_,97,101,1,1 2wss_S_,98,102,1,1 2wss_S_,100,104,1,1 2wss_S_,101,104,1,1 2wss_S_,101,105,1,1 2wss_S_,104,106,1,1 2wss_S_,115,118,1,1 2wss_S_,115,119,1,1 2wss_S_,116,117,1,1 2wss_S_,118,119,1,1 2wss_S_,123,125,1,1 2wss_S_,125,127,1,1 2wss_S_,132,136,1,1 2wss_S_,133,136,1,1 2wss_S_,136,139,1,1 2wss_S_,139,142,1,1 2wss_S_,146,147,1,1 2wss_S_,146,149,1,1 2wss_S_,147,150,1,1 2wss_S_,149,153,1,1 2wss_S_,150,153,1,1 2wss_S_,150,154,1,1 2wss_S_,151,156,1,1 2wss_S_,154,159,1,1