pair,contact1,contact2,flow1,flow2
3fil_B_,1,19,1,1
3fil_B_,1,20,1,1
3fil_B_,2,19,1,1
3fil_B_,3,18,1,1
3fil_B_,4,50,1,1
3fil_B_,4,52,1,1
3fil_B_,5,16,1,1
3fil_B_,6,52,1,1
3fil_B_,6,54,1,1
3fil_B_,7,14,1,1
3fil_B_,8,54,1,1
3fil_B_,8,56,1,1
3fil_B_,9,12,1,1
3fil_B_,10,56,1,1
3fil_B_,22,25,1,1
3fil_B_,22,26,1,1
3fil_B_,23,27,1,1
3fil_B_,24,28,1,1
3fil_B_,25,29,1,1
3fil_B_,26,30,1,1
3fil_B_,27,31,1,1
3fil_B_,28,32,1,1
3fil_B_,29,33,1,1
3fil_B_,30,34,1,1
3fil_B_,31,35,1,1
3fil_B_,32,35,1,1
3fil_B_,32,36,1,1
3fil_B_,33,37,1,1
3fil_B_,34,39,1,1
3fil_B_,35,38,1,1
3fil_B_,40,41,1,1
3fil_B_,40,43,1,1
3fil_B_,42,55,1,1
3fil_B_,44,53,1,1
3fil_B_,45,47,1,1
3fil_B_,46,48,1,1
3fil_B_,46,49,1,1
3fil_B_,46,50,1,1
3fil_B_,46,51,1,1
3fil_B_,47,50,1,1
3fil_B_,49,51,1,1