pair,contact1,contact2,flow1,flow2 2zgg_A_,1,4,1,1 2zgg_A_,1,5,1,1 2zgg_A_,2,6,1,1 2zgg_A_,3,7,1,1 2zgg_A_,4,8,1,1 2zgg_A_,5,9,1,1 2zgg_A_,6,10,1,1 2zgg_A_,7,11,1,1 2zgg_A_,8,12,1,1 2zgg_A_,9,14,1,1 2zgg_A_,10,13,1,1 2zgg_A_,11,45,1,1 2zgg_A_,14,17,1,1 2zgg_A_,14,18,1,1 2zgg_A_,15,19,1,1 2zgg_A_,16,20,1,1 2zgg_A_,17,21,1,1 2zgg_A_,18,22,1,1 2zgg_A_,19,23,1,1 2zgg_A_,20,24,1,1 2zgg_A_,21,24,1,1 2zgg_A_,21,26,1,1 2zgg_A_,22,25,1,1 2zgg_A_,27,29,1,1 2zgg_A_,27,30,1,1 2zgg_A_,32,34,1,1 2zgg_A_,32,35,1,1 2zgg_A_,32,36,1,1 2zgg_A_,34,66,1,1 2zgg_A_,37,40,1,1 2zgg_A_,37,41,1,1 2zgg_A_,38,42,1,1 2zgg_A_,39,43,1,1 2zgg_A_,40,44,1,1 2zgg_A_,40,69,1,1 2zgg_A_,41,45,1,1 2zgg_A_,42,47,1,1 2zgg_A_,43,46,1,1 2zgg_A_,44,65,1,1 2zgg_A_,47,51,1,1 2zgg_A_,48,52,1,1 2zgg_A_,49,53,1,1 2zgg_A_,50,54,1,1 2zgg_A_,51,55,1,1 2zgg_A_,52,56,1,1 2zgg_A_,53,57,1,1 2zgg_A_,54,57,1,1 2zgg_A_,54,59,1,1 2zgg_A_,55,58,1,1 2zgg_A_,60,62,1,1 2zgg_A_,60,63,1,1 2zgg_A_,64,68,1,1 2zgg_A_,65,67,1,1 2zgg_A_,65,68,1,1 2zgg_A_,65,69,1,1 2zgg_A_,69,77,1,1 2zgg_A_,70,73,1,1 2zgg_A_,70,74,1,1 2zgg_A_,71,75,1,1 2zgg_A_,72,75,1,1 2zgg_A_,72,76,1,1 2zgg_A_,73,77,1,1 2zgg_A_,74,78,1,1 2zgg_A_,75,80,1,1 2zgg_A_,76,79,1,1 2zgg_A_,80,83,1,1 2zgg_A_,80,84,1,1 2zgg_A_,81,85,1,1 2zgg_A_,82,86,1,1 2zgg_A_,83,87,1,1 2zgg_A_,84,87,1,1