pair,contact1,contact2,flow1,flow2 8grq_M_,1,5,1,1 8grq_M_,3,7,1,1 8grq_M_,4,8,1,1 8grq_M_,5,9,1,1 8grq_M_,6,10,1,1 8grq_M_,7,11,1,1 8grq_M_,8,12,1,1 8grq_M_,9,13,1,1 8grq_M_,10,14,1,1 8grq_M_,11,14,1,1 8grq_M_,12,15,1,1 8grq_M_,12,16,1,1 8grq_M_,16,22,1,1 8grq_M_,20,21,1,1 8grq_M_,23,25,1,1 8grq_M_,25,39,1,1 8grq_M_,26,39,1,1 8grq_M_,27,65,1,1 8grq_M_,29,31,1,1 8grq_M_,29,33,1,1 8grq_M_,33,35,1,1 8grq_M_,38,41,1,1 8grq_M_,39,42,1,1 8grq_M_,40,41,1,1 8grq_M_,40,43,1,1 8grq_M_,48,50,1,1 8grq_M_,58,60,1,1 8grq_M_,65,69,1,1 8grq_M_,66,70,1,1 8grq_M_,67,70,1,1 8grq_M_,67,71,1,1 8grq_M_,68,72,1,1 8grq_M_,69,73,1,1 8grq_M_,70,74,1,1 8grq_M_,71,75,1,1 8grq_M_,72,76,1,1 8grq_M_,73,76,1,1 8grq_M_,73,77,1,1 8grq_M_,74,78,1,1 8grq_M_,75,79,1,1 8grq_M_,76,80,1,1 8grq_M_,77,81,1,1 8grq_M_,78,82,1,1 8grq_M_,79,83,1,1