pair,contact1,contact2,flow1,flow2 1le8_B_,1,3,1,1 1le8_B_,6,10,1,1 1le8_B_,7,11,1,1 1le8_B_,8,12,1,1 1le8_B_,9,13,1,1 1le8_B_,9,38,1,1 1le8_B_,10,14,1,1 1le8_B_,11,15,1,1 1le8_B_,12,16,1,1 1le8_B_,13,17,1,1 1le8_B_,14,18,1,1 1le8_B_,14,52,1,1 1le8_B_,15,19,1,1 1le8_B_,16,20,1,1 1le8_B_,18,21,1,1 1le8_B_,23,25,1,1 1le8_B_,24,53,1,1 1le8_B_,27,29,1,1 1le8_B_,27,30,1,1 1le8_B_,28,32,1,1 1le8_B_,29,33,1,1 1le8_B_,30,34,1,1 1le8_B_,31,35,1,1 1le8_B_,32,36,1,1 1le8_B_,33,37,1,1 1le8_B_,34,38,1,1 1le8_B_,35,39,1,1 1le8_B_,41,44,1,1 1le8_B_,41,45,1,1 1le8_B_,42,46,1,1 1le8_B_,43,47,1,1 1le8_B_,44,48,1,1 1le8_B_,45,49,1,1 1le8_B_,46,50,1,1 1le8_B_,47,51,1,1 1le8_B_,48,51,1,1 1le8_B_,48,52,1,1 1le8_B_,49,53,1,1 1le8_B_,50,54,1,1 1le8_B_,52,55,1,1 1le8_B_,52,56,1,1 1le8_B_,53,57,1,1 1le8_B_,55,58,1,1 1le8_B_,55,59,1,1 1le8_B_,56,60,1,1 1le8_B_,62,65,1,1 1le8_B_,62,66,1,1 1le8_B_,63,66,1,1 1le8_B_,65,69,1,1 1le8_B_,67,70,1,1