DESCRIPTION OF INTERACTIVE
The original message is: Surprise party for Mom. Meet at bowling alley Thursday afternoon. If we shift each character by 1, so that "a" becomes "b", "b" becomes "c" and so on, we get the following message: Tvsqsjtf qbsuz gps npn. Nffu bu cpxmjoh bmmfz uivstebz bgufsoppo. The original message is: Surprise party for Mom. Meet at bowling alley Thursday afternoon. If we shift each character by 3, so that "a" becomes "d", "b" becomes "e" and so on, we get the following message: Vxusulvh sduwb iru prp. Phhw dw erzolqj doohb wkxuvgdb diwhuqrrq. The original message is: Surprise party for Mom. Meet at bowling alley Thursday afternoon. If we shift each character by 5, so that "a" becomes "f", "b" becomes "g" and so on, we get the following message: Xzwuwnxj ufwyd ktw rtr. Rjjy fy gtbqnsl fqqjd ymzwxifd fkyjwstts.