0.000, 0.000  to  1.000, 0.000       1      x+1   
 1.000, 0.000  to  1.500,-0.866       1      x + 1/2,  y - sqrt(3)/2
 1.500,-0.866  to  1.500,-1.866       1      y -1
 1.500,-1.866  to -0.232,-2.866       2      x - 2 * sqrt(2)/3, y - 2/2
-0.232,-2.866  to -2.232,-2.866       2      x -2
-2.232,-2.866  to -2.732,-0.268       3      x - 3/2, y + 3 * sqrt(3)/2
-2.732,-0.268  to -2.732, 3.732       4      y + 4
-2.732, 3.732  to  1.598, 6.232       5      x + 5 * sqrt(3)/2, y + 5/2
 1.598, 6.232  to  8.598, 6.232       7      x+7
 8.598, 6.232  to 13.098,-1.562       9      x + 9/2,   y - 9 * sqrt(3)/2
13.098,-1.562  to 13.098,-13.562     12      y -12
13.098,-13,563 to  2.706,-19.562        16      x - 12 * sqrt(2)/3, y - 12/2
 2.706,-19.562 to -18.295,-19.562       21      x - 21
-18.295,-19.562 to -28.595,-1.376       28      x - 21/2, y + 21 * sqrt(3)/2
-28.595,-1.376  to -28.595,35.625       37      y + 37
-28.597,35.625  to 13.840,70.125        49    x + 49 * sqrt(3)/2, y + 49/2
 13.840,70.125  to 88.840,70.125        65    x + 65