pair,contact1,contact2,flow1,flow2 6r2x_A_,3,5,1,1 6r2x_A_,6,9,1,1 6r2x_A_,7,11,1,1 6r2x_A_,8,12,1,1 6r2x_A_,9,13,1,1 6r2x_A_,10,14,1,1 6r2x_A_,11,15,1,1 6r2x_A_,12,16,1,1 6r2x_A_,13,17,1,1 6r2x_A_,14,18,1,1 6r2x_A_,15,19,1,1 6r2x_A_,16,20,1,1 6r2x_A_,17,21,1,1 6r2x_A_,21,25,1,1