Comment on Double Letters as K4 Demarcations? by James C

k4 firstly needs to be transposed before decryption, as the letters we know as K4 are merely placeholders. The correct cipher letters are: DFDKOPSJUGTHZGQYOSJLNBSKBICTKOKAKMUWKPPXECRFKJZBAAWWLLUSZLAURVO KDVBRQ XWWRT GIUESFBTHNTGZIQNUSTFIOQ