Easy Ciphertext: 10 15 9 14 20 8 5 3 25 2 5 18 3 12 21 2
Medium Ciphertext: Fdush ghhp flskhusxqnv!
Hard Ciphertext: Msio!eapotrcstl k

Answer To The Easy Cipher:

Answer To The Medium Cipher:

Answer To The Hard Cipher: