So someone gives you a “coded” message with a ? mark at the beginning, you will very likely assume it’s backwards. Oddly enough, I never considered it for K4 until now. All of this K3 transposition crap is what made me think of it to be honest. So, maybe I’ll play around with a backwards K4 for awhile.
I’ve had dumber ideas before.
Tagged: backwards, k4, kryptos