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  1. or download this
    my @well = split ('', $well);
    $highest = $well[0];   # definately problems here, cant pick out $
+well[0]
  2. or download this
    for ($i = 0; $i < @well; $i++)   {
#                 scalar(@well) here
...
               }  
     }
  3. or download this
    foreach $number (@well) {
  $highest=$number if $highest<$number;
}