Select Code to Download

Select or download this
```
    { 'c', 'i', 'o', 'p' }
```

    S   ->  Sp
    op  ->  i
...
    oc  ->  io
    ic  ->  co
    cS  ->  ioS

Select or download this

    $S = 'o';
    
...
        @out = map { sprintf ("%6s", $_) } @processing;
        printf ("%-44s == %6s\n", join (" ->", @out), $S);
    }

Select or download this

        op ->     i                              ==      i
        ip ->     c ->    io                     ==     io
...
     iioip ->  iioc ->  iiio                     ==   iiio
     iiiop ->  iiii                              ==   iiii
     iiiip ->  iiic ->  iico ->  icoo -> ioooo   ==  ioooo

Select or download this

    $S = 'opppppppp';               # (S  -> Sp) x 8
    
...
        @out = map { sprintf ("%9s", $_) } @processing;
        print join (" ->", @out), "\n";
    }

Select or download this

    opppppppp -> ippppppp ->  cpppppp -> iopppppp
     iopppppp ->  iippppp ->   icpppp ->  ioopppp
      ioopppp ->   ioippp ->    iocpp ->    iiopp
        iiopp ->     iiip ->      iic ->      ico ->     iooo

Select or download this
```
    8   ->  iooo
```