pair,contact1,contact2,flow1,flow2 6lab_U_,3,5,1,1 6lab_U_,3,7,1,1 6lab_U_,16,19,1,1 6lab_U_,16,20,1,1 6lab_U_,17,21,1,1 6lab_U_,17,49,1,1 6lab_U_,20,24,1,1 6lab_U_,22,26,1,1 6lab_U_,28,83,1,1 6lab_U_,34,82,1,1 6lab_U_,35,38,1,1 6lab_U_,35,39,1,1 6lab_U_,35,80,1,1 6lab_U_,36,40,1,1 6lab_U_,38,42,1,1 6lab_U_,40,44,1,1 6lab_U_,44,50,1,1 6lab_U_,48,49,1,1 6lab_U_,48,52,1,1 6lab_U_,49,52,1,1 6lab_U_,54,58,1,1 6lab_U_,59,63,1,1 6lab_U_,60,64,1,1 6lab_U_,61,65,1,1 6lab_U_,63,70,1,1 6lab_U_,64,66,1,1 6lab_U_,71,83,1,1 6lab_U_,73,81,1,1 6lab_U_,74,81,1,1 6lab_U_,87,91,1,1 6lab_U_,100,101,1,1 6lab_U_,100,102,1,1