pair,contact1,contact2,flow1,flow2 2naq_A_,4,8,1,1 2naq_A_,5,9,1,1 2naq_A_,6,10,1,1 2naq_A_,7,10,1,1 2naq_A_,7,11,1,1 2naq_A_,8,12,1,1 2naq_A_,9,13,1,1 2naq_A_,10,14,1,1 2naq_A_,16,20,1,1 2naq_A_,17,21,1,1 2naq_A_,18,22,1,1 2naq_A_,19,23,1,1 2naq_A_,20,23,1,1 2naq_A_,20,24,1,1 2naq_A_,21,25,1,1 2naq_A_,22,26,1,1 2naq_A_,23,27,1,1 2naq_A_,24,28,1,1 2naq_A_,25,29,1,1 2naq_A_,27,30,1,1 2naq_A_,36,37,1,1 2naq_A_,40,43,1,1 2naq_A_,40,44,1,1 2naq_A_,41,45,1,1 2naq_A_,42,46,1,1 2naq_A_,44,47,1,1 2naq_A_,48,52,1,1 2naq_A_,49,53,1,1 2naq_A_,50,54,1,1 2naq_A_,51,55,1,1 2naq_A_,52,56,1,1 2naq_A_,53,57,1,1 2naq_A_,54,58,1,1 2naq_A_,55,59,1,1 2naq_A_,56,60,1,1 2naq_A_,56,61,1,1 2naq_A_,61,65,1,1 2naq_A_,62,66,1,1 2naq_A_,63,67,1,1 2naq_A_,64,68,1,1 2naq_A_,65,69,1,1 2naq_A_,66,70,1,1 2naq_A_,67,71,1,1 2naq_A_,68,72,1,1 2naq_A_,69,73,1,1 2naq_A_,70,74,1,1 2naq_A_,72,76,1,1 2naq_A_,74,77,1,1 2naq_A_,75,77,1,1 2naq_A_,78,81,1,1 2naq_A_,79,82,1,1 2naq_A_,79,83,1,1 2naq_A_,80,84,1,1 2naq_A_,81,85,1,1 2naq_A_,82,86,1,1 2naq_A_,84,87,1,1 2naq_A_,84,88,1,1 2naq_A_,85,89,1,1