Loved the mystery only nitpick is the shannon case input is a bit too strict in wording. v gevrq chggvat "haqre" be "orybj" be "penjyrq" naq vg abg npprcgvat nalguvat znqr zr qbhog zlfrys op sbe fbzr ernfba V nffhzrq vg jbhyq or n 1 jbeq nafjre - ohg znlor gung'f ba zr.