pair,contact1,contact2,flow1,flow2 8c8t_B_,1,4,1,1 8c8t_B_,9,13,1,1 8c8t_B_,9,79,1,1 8c8t_B_,10,14,1,1 8c8t_B_,10,81,1,1 8c8t_B_,16,19,1,1 8c8t_B_,17,21,1,1 8c8t_B_,18,22,1,1 8c8t_B_,27,30,1,1 8c8t_B_,33,37,1,1 8c8t_B_,34,38,1,1 8c8t_B_,35,39,1,1 8c8t_B_,36,40,1,1 8c8t_B_,37,41,1,1 8c8t_B_,38,42,1,1 8c8t_B_,39,43,1,1 8c8t_B_,40,44,1,1 8c8t_B_,41,45,1,1 8c8t_B_,42,46,1,1 8c8t_B_,43,47,1,1 8c8t_B_,44,48,1,1 8c8t_B_,45,49,1,1 8c8t_B_,46,50,1,1 8c8t_B_,47,51,1,1 8c8t_B_,48,52,1,1 8c8t_B_,49,53,1,1 8c8t_B_,51,56,1,1 8c8t_B_,52,55,1,1 8c8t_B_,53,106,1,1 8c8t_B_,70,72,1,1 8c8t_B_,73,77,1,1 8c8t_B_,74,78,1,1 8c8t_B_,82,85,1,1 8c8t_B_,82,86,1,1 8c8t_B_,83,87,1,1 8c8t_B_,84,88,1,1 8c8t_B_,85,89,1,1 8c8t_B_,86,90,1,1 8c8t_B_,90,93,1,1 8c8t_B_,94,98,1,1 8c8t_B_,97,101,1,1 8c8t_B_,99,103,1,1 8c8t_B_,101,106,1,1 8c8t_B_,104,108,1,1 8c8t_B_,105,109,1,1 8c8t_B_,106,110,1,1 8c8t_B_,108,111,1,1 8c8t_B_,111,115,1,1 8c8t_B_,112,116,1,1 8c8t_B_,113,117,1,1