pair,contact1,contact2,flow1,flow2 1cld_A_,4,7,1,1 1cld_A_,4,8,1,1 1cld_A_,4,31,1,1 1cld_A_,5,8,1,1 1cld_A_,5,9,1,1 1cld_A_,6,11,1,1 1cld_A_,6,12,1,1 1cld_A_,11,22,1,1 1cld_A_,13,32,1,1 1cld_A_,18,30,1,1 1cld_A_,20,23,1,1 1cld_A_,20,24,1,1 1cld_A_,21,25,1,1 1cld_A_,22,26,1,1 1cld_A_,23,28,1,1