" <------------------------- sam058.txt ---------------------------->
  p # 2 3 5 7
  L # e # 3 4 R I 12
  L # x # 3 4 R 'ABCDEFGHIJKL'
" <--- Reverse ----------------------------------------------------->
  `O x
  `O [1] x
  `R x
  `O p
" <--- Rotate ------------------------------------------------------>
  3 `O p
  -1 `O p
  1 0 -1 `O x
)off