pair,contact1,contact2,flow1,flow2 1le8_A_,4,9,1,1 1le8_A_,5,8,1,1 1le8_A_,5,9,1,1 1le8_A_,6,10,1,1 1le8_A_,8,12,1,1 1le8_A_,9,13,1,1 1le8_A_,10,14,1,1 1le8_A_,11,15,1,1 1le8_A_,12,16,1,1 1le8_A_,13,17,1,1 1le8_A_,13,48,1,1 1le8_A_,14,18,1,1 1le8_A_,15,18,1,1 1le8_A_,15,19,1,1 1le8_A_,19,21,1,1 1le8_A_,19,26,1,1 1le8_A_,20,49,1,1 1le8_A_,23,26,1,1 1le8_A_,23,27,1,1 1le8_A_,24,28,1,1 1le8_A_,25,29,1,1 1le8_A_,26,30,1,1 1le8_A_,27,31,1,1 1le8_A_,28,32,1,1 1le8_A_,29,33,1,1 1le8_A_,30,34,1,1 1le8_A_,37,40,1,1 1le8_A_,37,41,1,1 1le8_A_,38,42,1,1 1le8_A_,39,43,1,1 1le8_A_,40,44,1,1 1le8_A_,41,45,1,1 1le8_A_,42,46,1,1 1le8_A_,43,47,1,1 1le8_A_,44,48,1,1 1le8_A_,45,49,1,1 1le8_A_,46,50,1,1 1le8_A_,47,51,1,1 1le8_A_,48,52,1,1