pair,contact1,contact2,flow1,flow2 8syl_N_,2,5,1,1 8syl_N_,9,12,1,1 8syl_N_,20,21,1,1 8syl_N_,20,27,1,1 8syl_N_,22,25,1,1 8syl_N_,23,26,1,1 8syl_N_,25,27,1,1 8syl_N_,28,31,1,1 8syl_N_,37,40,1,1 8syl_N_,38,41,1,1 8syl_N_,41,44,1,1 8syl_N_,51,57,1,1 8syl_N_,54,60,1,1 8syl_N_,55,60,1,1 8syl_N_,56,59,1,1 8syl_N_,56,60,1,1 8syl_N_,68,70,1,1 8syl_N_,68,71,1,1 8syl_N_,70,73,1,1 8syl_N_,70,74,1,1 8syl_N_,73,106,1,1 8syl_N_,73,107,1,1 8syl_N_,75,107,1,1 8syl_N_,75,109,1,1 8syl_N_,77,109,1,1 8syl_N_,77,111,1,1 8syl_N_,78,81,1,1 8syl_N_,79,82,1,1 8syl_N_,79,113,1,1 8syl_N_,80,113,1,1 8syl_N_,88,121,1,1 8syl_N_,89,94,1,1 8syl_N_,90,121,1,1 8syl_N_,90,123,1,1 8syl_N_,91,93,1,1 8syl_N_,91,94,1,1 8syl_N_,93,97,1,1 8syl_N_,95,100,1,1 8syl_N_,96,99,1,1 8syl_N_,96,103,1,1 8syl_N_,96,105,1,1 8syl_N_,102,105,1,1 8syl_N_,110,126,1,1 8syl_N_,110,128,1,1 8syl_N_,111,113,1,1 8syl_N_,120,141,1,1 8syl_N_,122,141,1,1 8syl_N_,122,143,1,1 8syl_N_,124,143,1,1 8syl_N_,128,131,1,1 8syl_N_,128,132,1,1 8syl_N_,129,133,1,1 8syl_N_,130,134,1,1 8syl_N_,131,135,1,1 8syl_N_,132,136,1,1 8syl_N_,133,137,1,1 8syl_N_,135,138,1,1 8syl_N_,135,140,1,1 8syl_N_,141,143,1,1