> stem(x, par1, par2, par3)
  The decimal point is 1 digit(s) to the right of the |
  10 | 399
  11 | 
  12 | 
  13 | 5
  14 | 08
  15 | 0889
  16 | 347
  17 | 01377899
  18 | 123455667889
  19 | 4778
  20 | 022334566799
  21 | 023367778
  22 | 111223388889
  23 | 1233355678
  24 | 01455578
  25 | 123445566788
  26 | 033477888
  27 | 679
  28 | 345
  29 | 6
  30 | 122
  31 | 344789
  32 | 9
  33 | 
  34 | 038
  35 | 1336
  36 | 344556
  37 | 033
  38 | 
  39 | 6
  40 | 7
  41 | 4
  42 | 0
  43 | 6
  44 | 
  45 | 
  46 | 
  47 | 6
  48 | 146
  49 | 29
  50 | 16
  51 | 
  52 | 
  53 | 
  54 | 
  55 | 
  56 | 
  57 | 
  58 | 
  59 | 
  60 | 
  61 | 
  62 | 
  63 | 
  64 | 
  65 | 6
  66 | 
  67 | 
  68 | 
  69 | 
  70 | 5
  71 | 
  72 | 
  73 | 9
  74 | 
  75 | 9
  76 | 
  77 | 
  78 | 
  79 | 
  80 | 7
  81 | 
  82 | 
  83 | 
  84 | 
  85 | 
  86 | 
  87 | 
  88 | 
  89 | 
  90 | 
  91 | 
  92 | 
  93 | 
  94 | 
  95 | 39