> stem(x, par1, par2, par3)
  The decimal point is at the |
   4 | 00000000000000000000000000000000000000000000000000000000000000000000
   5 | 000000000000000000000000000
   6 | 0000000000000000000
   7 | 000000000000000
   8 | 0000000000000000000000000000
   9 | 000000000000000
  10 | 0000000000000000000
  11 | 000000000000000000
  12 | 000000000000000000000000000000000
  13 | 00000000000000000000
  14 | 000000000000000000000000000
  15 | 000000000000000000000000000000000
  16 | 00000000000000000000000000000000000000000000000000
  17 | 00000000000000000000000000000000000000000000000
  18 | 00000000000000000000000000000000000000000000000000000000000000000
  19 | 0000000000000000000000000000000000000000000000000000
  20 | 00000000000000000000000000000000000000000000000000000000000000000000+10
  21 | 00000000000000000000000000000000000000000000000000000000000000000000
  22 | 00000000000000000000000000000000000000000000000000000000000000000000+8
  23 | 00000000000000000000000000000000000000000000000000000000000000000000+4
  24 | 00000000000000000000000000000000000000000000000000000000000000000000
  25 | 00000000000000000000000000000000000000000000000000000000000000000
  26 | 000000000000000000000000000000000000000
  27 | 0000000000000000000000000000000
  28 | 0000000000000000000000000000000