> stem(x, par1, par2, par3)
  The decimal point is 1 digit(s) to the right of the |
   0 | 55001234444667778889999999
   2 | 000000011223445555567778899999000000011111112222+19
   4 | 000000011112222222333444445555555666666789999002+15
   6 | 000111122222233333334445555566666667777780001112
   8 | 1122333468899012223445559
  10 | 0335790227899
  12 | 129
  14 | 44614
  16 | 8
  18 | 
  20 | 
  22 | 
  24 | 79