pair,contact1,contact2,flow1,flow2 8syl_6_,8,11,1,1 8syl_6_,8,12,1,1 8syl_6_,9,13,1,1 8syl_6_,10,14,1,1 8syl_6_,11,15,1,1 8syl_6_,12,16,1,1 8syl_6_,13,17,1,1 8syl_6_,17,21,1,1 8syl_6_,18,22,1,1 8syl_6_,22,28,1,1 8syl_6_,24,28,1,1 8syl_6_,25,26,1,1 8syl_6_,25,29,1,1 8syl_6_,26,30,1,1 8syl_6_,27,31,1,1 8syl_6_,28,32,1,1 8syl_6_,29,33,1,1 8syl_6_,30,34,1,1 8syl_6_,31,35,1,1 8syl_6_,32,36,1,1 8syl_6_,33,37,1,1 8syl_6_,34,38,1,1 8syl_6_,34,39,1,1 8syl_6_,34,41,1,1 8syl_6_,34,42,1,1 8syl_6_,35,38,1,1