> stem(x, par1, par2, par3)
  The decimal point is 2 digit(s) to the right of the |
   0 | 0134466667799
   1 | 01344445667778888999999
   2 | 000000011111111222222223333444444444555556666666677788999
   3 | 011112235567888999
   4 | 0000123444458
   5 | 16
   6 | 015569
   7 | 06
   8 | 
   9 | 5
  10 | 3
  11 | 
  12 | 
  13 | 1
  14 | 
  15 | 
  16 | 
  17 | 
  18 | 
  19 | 
  20 | 
  21 | 
  22 | 
  23 | 
  24 | 
  25 | 
  26 | 
  27 | 6
  28 | 
  29 | 
  30 | 
  31 | 
  32 | 
  33 | 
  34 | 
  35 | 
  36 | 
  37 | 
  38 | 
  39 | 
  40 | 
  41 | 
  42 | 0