pair,contact1,contact2,flow1,flow2 2dsq_G_,1,4,1,1 2dsq_G_,1,5,1,1 2dsq_G_,2,6,1,1 2dsq_G_,3,7,1,1 2dsq_G_,4,8,1,1 2dsq_G_,4,29,1,1 2dsq_G_,5,9,1,1 2dsq_G_,6,31,1,1 2dsq_G_,7,10,1,1 2dsq_G_,7,11,1,1 2dsq_G_,8,12,1,1 2dsq_G_,10,14,1,1 2dsq_G_,11,15,1,1 2dsq_G_,12,16,1,1 2dsq_G_,19,39,1,1 2dsq_G_,20,38,1,1 2dsq_G_,21,35,1,1 2dsq_G_,24,32,1,1 2dsq_G_,24,35,1,1 2dsq_G_,26,29,1,1 2dsq_G_,26,30,1,1 2dsq_G_,31,50,1,1 2dsq_G_,32,35,1,1 2dsq_G_,33,48,1,1 2dsq_G_,35,46,1,1 2dsq_G_,37,44,1,1 2dsq_G_,43,45,1,1 2dsq_G_,45,62,1,1 2dsq_G_,47,56,1,1 2dsq_G_,49,53,1,1 2dsq_G_,49,54,1,1 2dsq_G_,52,54,1,1 2dsq_G_,55,59,1,1 2dsq_G_,55,61,1,1 2dsq_G_,56,59,1,1 2dsq_G_,62,64,1,1 2dsq_G_,65,67,1,1