My enemy was sending secret messages to his allies with a supposedly "unbreakable" cipher, but I think he made a mistake.
Message 1 - `LKAHEIIWPQPGQCUOXHIQFIUBXEHJBRU`
Message 2 - `RQXJTVSYVJVDJPASBLDQGIWWHPWISKT`
Message 3 - `DTKXPPECBFVHWLIEQXDNCFWCIYPXYFB`