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my $code = Crypt::LewisCarrollCode->new('This is a pass phrase'); 
my $encrypted = $code->encrypt("You will never decipher this!"); 
my $decrypted = $code->decrypt($encrypted);

my $code = Crypt::LewisCarrollCode->new("this is a pass phrase"); 
my $encrypted  = $code->encrypt('Four score and seven years ago, our '
+); 
...
   $encrypted .= $code->encrypt('"all men are created equal."');

my $Gettysburg_Address = $code->decrypt($encrypted);