In case anyone else is wondering WTF is wrong with my submission, I started correctly in manipulating the key for the ciphertext C HTZG ISY, and after the second character, I flipped to the actual message instead I MISS YOU and that screwed it up hahahaha....
We got it figured out in the end. :) Thanks for your participation!
In case anyone else is wondering WTF is wrong with my submission, I started correctly in manipulating the key for the ciphertext C HTZG ISY, and after the second character, I flipped to the actual message instead I MISS YOU and that screwed it up hahahaha....