pair,contact1,contact2,flow1,flow2 1icf_I_,2,5,1,1 1icf_I_,2,6,1,1 1icf_I_,2,27,1,1 1icf_I_,3,7,1,1 1icf_I_,3,29,1,1 1icf_I_,4,8,1,1 1icf_I_,5,9,1,1 1icf_I_,6,9,1,1 1icf_I_,7,10,1,1 1icf_I_,7,29,1,1 1icf_I_,8,11,1,1 1icf_I_,11,20,1,1 1icf_I_,15,18,1,1 1icf_I_,17,35,1,1 1icf_I_,22,30,1,1 1icf_I_,22,33,1,1 1icf_I_,24,26,1,1 1icf_I_,24,27,1,1 1icf_I_,24,28,1,1 1icf_I_,30,33,1,1 1icf_I_,31,44,1,1 1icf_I_,31,62,1,1 1icf_I_,33,42,1,1 1icf_I_,35,39,1,1 1icf_I_,35,40,1,1 1icf_I_,38,57,1,1 1icf_I_,39,57,1,1 1icf_I_,41,56,1,1 1icf_I_,43,51,1,1 1icf_I_,43,54,1,1 1icf_I_,45,48,1,1 1icf_I_,45,49,1,1 1icf_I_,47,49,1,1 1icf_I_,50,55,1,1 1icf_I_,54,60,1,1 1icf_I_,56,58,1,1 1icf_I_,56,60,1,1