+++++ +++++             initialize counter (cell #0) to 10
[                       use loop to set the next four cells to 70/100/30/10
   > +++++ ++              add  7 to cell #1
   > +++++ +++++           add 10 to cell #2 
   > +++                   add  3 to cell #3
   > +                     add  1 to cell #4
   <<<< -                  decrement counter (cell #0)
]