pair,contact1,contact2,flow1,flow2 4ce4_I_,3,19,1,1 4ce4_I_,4,37,1,1 4ce4_I_,5,16,1,1 4ce4_I_,5,17,1,1 4ce4_I_,6,34,1,1 4ce4_I_,6,35,1,1 4ce4_I_,14,17,1,1 4ce4_I_,15,50,1,1 4ce4_I_,15,54,1,1 4ce4_I_,17,18,1,1 4ce4_I_,22,26,1,1 4ce4_I_,23,27,1,1 4ce4_I_,24,28,1,1 4ce4_I_,26,31,1,1 4ce4_I_,29,33,1,1 4ce4_I_,30,36,1,1 4ce4_I_,31,34,1,1 4ce4_I_,40,44,1,1 4ce4_I_,41,45,1,1 4ce4_I_,42,45,1,1 4ce4_I_,43,47,1,1 4ce4_I_,44,48,1,1 4ce4_I_,45,49,1,1 4ce4_I_,46,50,1,1 4ce4_I_,47,51,1,1 4ce4_I_,48,52,1,1 4ce4_I_,49,53,1,1 4ce4_I_,51,54,1,1