pair,contact1,contact2,flow1,flow2 3nog_D_,1,5,1,1 3nog_D_,2,6,1,1 3nog_D_,3,7,1,1 3nog_D_,4,8,1,1 3nog_D_,6,9,1,1 3nog_D_,6,10,1,1 3nog_D_,7,11,1,1 3nog_D_,9,13,1,1 3nog_D_,13,15,1,1 3nog_D_,15,18,1,1 3nog_D_,15,19,1,1 3nog_D_,16,19,1,1 3nog_D_,16,20,1,1 3nog_D_,18,22,1,1 3nog_D_,19,23,1,1 3nog_D_,20,24,1,1 3nog_D_,21,26,1,1 3nog_D_,27,29,1,1 3nog_D_,28,29,1,1 3nog_D_,32,36,1,1 3nog_D_,34,66,1,1 3nog_D_,36,65,1,1 3nog_D_,37,39,1,1 3nog_D_,37,40,1,1 3nog_D_,38,42,1,1 3nog_D_,39,43,1,1 3nog_D_,40,69,1,1 3nog_D_,42,47,1,1 3nog_D_,44,78,1,1 3nog_D_,48,52,1,1 3nog_D_,49,53,1,1 3nog_D_,50,54,1,1 3nog_D_,51,55,1,1 3nog_D_,52,56,1,1 3nog_D_,53,57,1,1 3nog_D_,54,58,1,1 3nog_D_,65,67,1,1 3nog_D_,65,68,1,1 3nog_D_,67,99,1,1 3nog_D_,70,73,1,1 3nog_D_,70,74,1,1 3nog_D_,71,75,1,1 3nog_D_,72,76,1,1 3nog_D_,73,77,1,1 3nog_D_,73,96,1,1 3nog_D_,74,78,1,1 3nog_D_,75,80,1,1 3nog_D_,80,83,1,1 3nog_D_,80,84,1,1 3nog_D_,81,84,1,1 3nog_D_,81,85,1,1 3nog_D_,83,87,1,1 3nog_D_,85,88,1,1 3nog_D_,85,89,1,1 3nog_D_,86,89,1,1 3nog_D_,86,90,1,1 3nog_D_,93,95,1,1 3nog_D_,98,100,1,1 3nog_D_,103,105,1,1 3nog_D_,103,106,1,1 3nog_D_,105,109,1,1 3nog_D_,106,110,1,1 3nog_D_,108,113,1,1 3nog_D_,109,112,1,1 3nog_D_,110,144,1,1 3nog_D_,113,116,1,1 3nog_D_,113,117,1,1 3nog_D_,114,118,1,1 3nog_D_,116,120,1,1 3nog_D_,117,121,1,1 3nog_D_,118,122,1,1 3nog_D_,119,123,1,1 3nog_D_,120,124,1,1 3nog_D_,131,134,1,1 3nog_D_,131,135,1,1 3nog_D_,135,143,1,1 3nog_D_,136,139,1,1 3nog_D_,136,140,1,1 3nog_D_,139,143,1,1 3nog_D_,140,144,1,1 3nog_D_,147,150,1,1 3nog_D_,150,153,1,1 3nog_D_,151,154,1,1