pair,contact1,contact2,flow1,flow2 4xt1_B_,1,5,1,1 4xt1_B_,2,5,1,1 4xt1_B_,7,9,1,1 4xt1_B_,9,33,1,1 4xt1_B_,15,49,1,1 4xt1_B_,19,22,1,1 4xt1_B_,22,43,1,1 4xt1_B_,24,41,1,1 4xt1_B_,25,41,1,1 4xt1_B_,27,39,1,1 4xt1_B_,29,30,1,1 4xt1_B_,29,33,1,1 4xt1_B_,29,35,1,1 4xt1_B_,30,33,1,1 4xt1_B_,31,34,1,1 4xt1_B_,38,50,1,1 4xt1_B_,40,48,1,1 4xt1_B_,42,44,1,1 4xt1_B_,42,45,1,1 4xt1_B_,42,46,1,1 4xt1_B_,51,53,1,1 4xt1_B_,56,60,1,1 4xt1_B_,57,61,1,1 4xt1_B_,60,64,1,1 4xt1_B_,61,65,1,1 4xt1_B_,62,66,1,1 4xt1_B_,63,67,1,1