pair,contact1,contact2,flow1,flow2 8syl_H_,1,21,1,1 8syl_H_,2,39,1,1 8syl_H_,3,19,1,1 8syl_H_,4,37,1,1 8syl_H_,5,16,1,1 8syl_H_,6,35,1,1 8syl_H_,9,12,1,1 8syl_H_,22,26,1,1 8syl_H_,23,27,1,1 8syl_H_,24,28,1,1 8syl_H_,30,35,1,1 8syl_H_,31,34,1,1