pair,contact1,contact2,flow1,flow2 8hsk_B_,1,4,1,1 8hsk_B_,2,5,1,1 8hsk_B_,8,11,1,1 8hsk_B_,9,13,1,1 8hsk_B_,10,14,1,1 8hsk_B_,11,15,1,1 8hsk_B_,12,16,1,1 8hsk_B_,13,17,1,1 8hsk_B_,14,18,1,1 8hsk_B_,15,19,1,1 8hsk_B_,16,20,1,1 8hsk_B_,17,21,1,1 8hsk_B_,19,23,1,1 8hsk_B_,20,23,1,1 8hsk_B_,21,24,1,1