pair,contact1,contact2,flow1,flow2 3ccv_I_,4,8,1,1 3ccv_I_,5,9,1,1 3ccv_I_,5,42,1,1 3ccv_I_,7,11,1,1 3ccv_I_,19,65,1,1 3ccv_I_,21,25,1,1 3ccv_I_,30,68,1,1 3ccv_I_,31,34,1,1 3ccv_I_,31,35,1,1 3ccv_I_,32,35,1,1 3ccv_I_,32,36,1,1 3ccv_I_,33,37,1,1 3ccv_I_,34,38,1,1 3ccv_I_,35,39,1,1 3ccv_I_,37,40,1,1 3ccv_I_,48,57,1,1 3ccv_I_,50,54,1,1 3ccv_I_,51,55,1,1 3ccv_I_,53,56,1,1 3ccv_I_,53,57,1,1 3ccv_I_,55,59,1,1 3ccv_I_,56,60,1,1 3ccv_I_,57,60,1,1 3ccv_I_,58,61,1,1 3ccv_I_,58,62,1,1 3ccv_I_,61,64,1,1 3ccv_I_,62,66,1,1 3ccv_I_,62,67,1,1