pair,contact1,contact2,flow1,flow2 8h6l_2c_,1,5,1,1 8h6l_2c_,2,6,1,1 8h6l_2c_,3,7,1,1 8h6l_2c_,4,8,1,1 8h6l_2c_,8,11,1,1 8h6l_2c_,9,12,1,1 8h6l_2c_,10,13,1,1 8h6l_2c_,10,14,1,1 8h6l_2c_,11,15,1,1 8h6l_2c_,12,16,1,1 8h6l_2c_,13,17,1,1 8h6l_2c_,14,18,1,1 8h6l_2c_,15,19,1,1 8h6l_2c_,16,21,1,1 8h6l_2c_,17,20,1,1 8h6l_2c_,23,35,1,1 8h6l_2c_,24,79,1,1 8h6l_2c_,25,33,1,1 8h6l_2c_,26,76,1,1 8h6l_2c_,26,77,1,1 8h6l_2c_,27,30,1,1 8h6l_2c_,28,74,1,1 8h6l_2c_,32,54,1,1 8h6l_2c_,34,52,1,1 8h6l_2c_,36,49,1,1 8h6l_2c_,38,47,1,1 8h6l_2c_,39,47,1,1 8h6l_2c_,41,44,1,1 8h6l_2c_,41,45,1,1 8h6l_2c_,46,70,1,1 8h6l_2c_,48,68,1,1 8h6l_2c_,50,66,1,1 8h6l_2c_,51,65,1,1 8h6l_2c_,53,63,1,1 8h6l_2c_,55,61,1,1 8h6l_2c_,57,59,1,1 8h6l_2c_,71,74,1,1 8h6l_2c_,72,75,1,1