Stem-and-leaf Plot
> stem(x, par1, par2, par3)
  The decimal point is 2 digit(s) to the right of the |
   9 | 28
  10 | 222222222222222222222
  11 | 22445588
  12 | 68888888888888888888888888888888888888888888888888888888888888
  13 | 77777777
  14 | 11444444444444444444444
  15 | 0
  16 | 0000088889
  17 | 6
  18 | 
  19 | 22
  20 | 
  21 | 
  22 | 
  23 | 
  24 | 
  25 | 6