0 0111111000000000000000000000000
   1 1000000111100000000000000000000
   2 1000000000011110000000000000000
   3 1000000000000001111000000000000
   4 1000000000000000000111100000000
   5 1000000000000000000000011110000
   6 1000000000000000000000000001111
   7 01000000000????????????????????
   8 01000000000????????????????????
   9 01000000000????????????????????
  10 01000000000????????????????????
  11 0010000????0000????????????????
  12 0010000????0000????????????????
  13 0010000????0000????????????????
  14 0010000????0000????????????????
  15 0001000????????0000????????????
  16 0001000????????0000????????????
  17 0001000????????0000????????????
  18 0001000????????0000????????????
  19 0000100????????????0000????????
  20 0000100????????????0000????????
  21 0000100????????????0000????????
  22 0000100????????????0000????????
  23 0000010????????????????0000????
  24 0000010????????????????0000????
  25 0000010????????????????0000????
  26 0000010????????????????0000????
  27 0000001????????????????????0000
  28 0000001????????????????????0000
  29 0000001????????????????????0000
  30 0000001????????????????????0000


   0 0111111000000000000000000000000
   1 1000000111100000000000000000000
   2 1000000000011110000000000000000
   3 1000000000000001111000000000000
   4 1000000000000000000111100000000
   5 1000000000000000000000011110000
   6 1000000000000000000000000001111
   7 0100000000000010001000100010001
   8 0100000000000100010001000100010
   9 0100000000001000100010001000100
  10 0100000000010001000100010001000
  11 0010000000100000100001000010000
  12 0010000001000001000000100100000
  13 0010000010000000001100001000000
  14 0010000100000000010010010000000
  15 0001000000101000000000000000010
  16 0001000001010000000000000000001
  17 0001000010000010000000000001000
  18 0001000100000100000000000000100
  19 0000100000100100000000000000001
  20 0000100001000010000000000000010
  21 0000100010010000000000000000100
  22 0000100100001000000000000001000
  23 0000010000100010000000000000100
  24 0000010001000100000000000001000
  25 0000010010001000000000000000001
  26 0000010100010000000000000000010
  27 0000001000100000010000101000000
  28 0000001001000000001001010000000
  29 0000001010000001000010000010000
  30 0000001100000000100100000100000

15[+0] millis.
72[+0] nodes