pair,contact1,contact2,flow1,flow2 7k53_C_,3,21,1,1 7k53_C_,4,22,1,1 7k53_C_,6,20,1,1 7k53_C_,7,49,1,1 7k53_C_,8,18,1,1 7k53_C_,9,47,1,1 7k53_C_,10,16,1,1 7k53_C_,11,45,1,1 7k53_C_,12,14,1,1 7k53_C_,14,16,1,1 7k53_C_,20,21,1,1 7k53_C_,23,26,1,1 7k53_C_,23,27,1,1 7k53_C_,33,46,1,1 7k53_C_,35,44,1,1 7k53_C_,36,46,1,1 7k53_C_,37,40,1,1 7k53_C_,37,41,1,1