> stem(x, par1, par2, par3)
  The decimal point is at the |
  27 | 00
  28 | 000
  29 | 00000
  30 | 0000000
  31 | 00000000000
  32 | 000000000000000000000
  33 | 0000000000000000
  34 | 00000000000000000
  35 | 00000000000000
  36 | 000000000000
  37 | 000000000000000000
  38 | 0000000000000000
  39 | 00000000000
  40 | 000
  41 | 000
  42 | 0
  43 | 0
  44 | 0