pair,contact1,contact2,flow1,flow2 8syl_7_,6,9,1,1 8syl_7_,6,10,1,1 8syl_7_,6,60,1,1 8syl_7_,8,12,1,1 8syl_7_,9,12,1,1 8syl_7_,9,13,1,1 8syl_7_,10,14,1,1 8syl_7_,14,22,1,1 8syl_7_,16,19,1,1 8syl_7_,16,20,1,1 8syl_7_,21,49,1,1 8syl_7_,23,24,1,1 8syl_7_,23,47,1,1 8syl_7_,27,35,1,1 8syl_7_,27,39,1,1 8syl_7_,30,35,1,1 8syl_7_,31,35,1,1 8syl_7_,32,35,1,1 8syl_7_,32,40,1,1 8syl_7_,35,40,1,1 8syl_7_,36,40,1,1 8syl_7_,37,41,1,1 8syl_7_,38,42,1,1 8syl_7_,40,43,1,1 8syl_7_,41,44,1,1 8syl_7_,50,53,1,1 8syl_7_,54,57,1,1 8syl_7_,54,58,1,1 8syl_7_,55,59,1,1 8syl_7_,56,60,1,1 8syl_7_,57,61,1,1 8syl_7_,61,64,1,1