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  1. or download this
    use warnings; use strict;
    
    ...
    print "In context, it's here: ", $v, ".\n";
    
    __END__
    
  2. or download this
    import Data.Char (digitToInt, intToDigit);
    import Data.List (elemIndex);
    ...
            fs (drop l (drop p s)) ++ ".\n");
    };