PBS

Hint for Double Transposition Cipher

The keys are correct as stated, but instead of numbering duplicate letters from left to right, Agent Madeleine numbered them from right to left. You may want to complete the decryption yourself before ...
PBS

Double Transposition Cipher Solution

However, Agent Madeleine numbered the duplicate A's and L's from right to left instead of from left to right, so it would be the equivalent of replacing the keys with MCHBTUNDILA and CUMLBTJNDIKA, ...
The New York Times

WESLEY'S ROMANCE FOUND IN DIARIES; His Cipher Code Read and Many New Facts About His Life Are Revealed. HE WROTE IN THREE WAYS Double Series of Letters Were Found in Diaries ...

Special Cable to THE NEW YORK TIMES. TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print ...