pair,contact1,contact2,flow1,flow2
4icg_A_,3,6,1,1
4icg_A_,5,8,1,1
4icg_A_,8,12,1,1
4icg_A_,9,13,1,1
4icg_A_,10,14,1,1
4icg_A_,11,15,1,1
4icg_A_,12,16,1,1
4icg_A_,13,16,1,1
4icg_A_,13,17,1,1
4icg_A_,14,17,1,1
4icg_A_,15,19,1,1
4icg_A_,16,19,1,1
4icg_A_,20,22,1,1
4icg_A_,20,23,1,1
4icg_A_,20,24,1,1
4icg_A_,21,25,1,1
4icg_A_,25,28,1,1
4icg_A_,26,29,1,1
4icg_A_,27,31,1,1
4icg_A_,28,32,1,1
4icg_A_,29,33,1,1
4icg_A_,30,34,1,1
4icg_A_,31,35,1,1
4icg_A_,32,36,1,1
4icg_A_,33,36,1,1
4icg_A_,34,37,1,1
4icg_A_,35,38,1,1
4icg_A_,37,41,1,1
4icg_A_,38,42,1,1
4icg_A_,39,42,1,1