pair,contact1,contact2,flow1,flow2 2dx8_A_,3,12,1,1 2dx8_A_,5,9,1,1 2dx8_A_,5,10,1,1 2dx8_A_,6,28,1,1 2dx8_A_,8,9,1,1 2dx8_A_,8,30,1,1 2dx8_A_,11,30,1,1 2dx8_A_,13,15,1,1 2dx8_A_,13,16,1,1 2dx8_A_,16,30,1,1 2dx8_A_,17,31,1,1 2dx8_A_,19,29,1,1 2dx8_A_,21,26,1,1 2dx8_A_,21,27,1,1 2dx8_A_,22,52,1,1 2dx8_A_,23,52,1,1 2dx8_A_,24,26,1,1 2dx8_A_,30,33,1,1 2dx8_A_,30,34,1,1 2dx8_A_,31,34,1,1 2dx8_A_,31,36,1,1 2dx8_A_,32,35,1,1 2dx8_A_,37,39,1,1 2dx8_A_,37,40,1,1 2dx8_A_,37,41,1,1 2dx8_A_,38,42,1,1 2dx8_A_,40,44,1,1 2dx8_A_,41,45,1,1 2dx8_A_,43,46,1,1 2dx8_A_,43,47,1,1 2dx8_A_,47,50,1,1 2dx8_A_,54,58,1,1