1: 0.314159265359
    2: 0.628318530718
    3: 0.670002523442
    7: 0.671702050023
    8: 0.730784286300
   10: 0.785398163397
   20: 0.802803556244
   33: 0.803579996881
   34: 0.824184606430
   52: 0.826952797328
   53: 0.840992508761
   78: 0.843065309330
  102: 0.847577816418
  104: 0.851528309279
  105: 0.858245745958
  136: 0.860225898385
  171: 0.861350918380
  176: 0.864545619965
  213: 0.865662850031
  214: 0.868254453522
  215: 0.872219103553
  259: 0.874521957094

1 2 3 7 8 10 20 33 34 52 53 78 102 104 105 136 171 176 213 214 215 259