Cipher Challenge
The Jacksonville Number Telegram
Introduction
This 48-group telegram was sent from Jacksonville to Samuel Pasco and E. M. L'Engle on 17 November 1876. Its complete two-digit payload is presented without the clear heading and signature. Federal cryptanalysis
1
84 55 84 25 93 34 82 31 31 75 93 82 77 33 55 42 93 20 93 66 77 66 33 84 66
26
31 31 93 20 82 33 66 52 48 44 55 42 82 48 89 42 93 31 82 66 75 31 93