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   2 100000000111000000000000
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   5 100000000000000000111000
   6 010000000???????????????
   7 010000000???????????????
   8 010000000???????????????
   9 001000???000????????????
  10 001000???000????????????
  11 001000???000????????????
  12 000100??????000?????????
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  14 000100??????000?????????
  15 000010?????????000??????
  16 000010?????????000??????
  17 000010?????????000??????
  18 000001????????????000???
  19 000001????????????000???
  20 000001????????????000???
  21 000000???????????????0??
  22 000000????????????????0?
  23 000000?????????????????0

4662364[+0] millis.
60541438[+0] nodes