pair,contact1,contact2,flow1,flow2 1fss_B_,1,3,1,1 1fss_B_,1,16,1,1 1fss_B_,1,17,1,1 1fss_B_,1,18,1,1 1fss_B_,1,20,1,1 1fss_B_,2,57,1,1 1fss_B_,2,58,1,1 1fss_B_,3,15,1,1 1fss_B_,4,60,1,1 1fss_B_,5,13,1,1 1fss_B_,6,7,1,1 1fss_B_,6,37,1,1 1fss_B_,7,10,1,1 1fss_B_,10,11,1,1 1fss_B_,21,40,1,1 1fss_B_,22,53,1,1 1fss_B_,23,38,1,1 1fss_B_,23,60,1,1 1fss_B_,24,26,1,1 1fss_B_,24,51,1,1 1fss_B_,25,35,1,1 1fss_B_,25,36,1,1 1fss_B_,26,49,1,1 1fss_B_,27,29,1,1 1fss_B_,27,30,1,1 1fss_B_,27,31,1,1 1fss_B_,27,33,1,1 1fss_B_,28,46,1,1 1fss_B_,28,47,1,1 1fss_B_,37,60,1,1 1fss_B_,37,61,1,1 1fss_B_,45,48,1,1 1fss_B_,51,59,1,1 1fss_B_,53,59,1,1