A fourth hint for Challenge 10A
The Empty Vault › Forums › Bureau of Security and Signals Intelligence Forum › The official Challenge 10 tips and hints thread › A fourth hint for Challenge 10A
19th December 2022 at 9:00 am #87575
Did you spot that t->T, h->H. Did you guess that the letters in the odd numbered positions are represented by themselves? Can you find any cribs that help you to work out what is happening with the letters in even numbered positions?