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View (Locked) Master Challenge "THE ROMAN COMMUNICATIONS SYSTEMS"
The 83 total letters contain these 21 different letters and numbers: ABCDEGHIKLMNOPQRSTUVY
Challenge Name
Challenge Region:
---Select a Region---
North America
European
Challenge Manager:
---Select a Manager for this Challenge---
WB5RVZ
WB5RVZ
PA5LR
K1YAN
KK4ITX
N1AOK
AA5MIN
Challenge Words
Challenge Word
Letters
Action
HYDRAULIC TELEGRAPH SYSTEM
ACDEGHILMPRSTUY
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NUMBERED STICKS
BCDEIKMNRSTU
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STANDARD MANEUVERS
ADEMNRSTUV
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POLYBIUS SQUARE
ABEILOPQRSUY
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TORCH SIGNALING
ACGHILNORST
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