0  0
  0  0.587859
  0  1.06497
  0  1.51869
  0  2
  0.479994  1.49105
  0.495317  1.03304
  0.5  2
  0.550113  0.555096
  0.587859  0
  1  1
  1  1.5
  1  2
  1.01081  0.47609
  1.06497  0
  1.46774  0.500378
  1.5  1
  1.51869  0
  2  0
  2  0.5
  2  1