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22:45, 20 June 2025 (diff | hist) . . (+1)‎ . . PDP-1 alphanumeric codes ‎ (Oops) (top)
14:39, 20 June 2025 (diff | hist) . . (+148)‎ . . PDP-1 alphanumeric codes ‎ (Explanation of Concise code <-> FIO-DEC)
14:25, 20 June 2025 (diff | hist) . . (+6)‎ . . m PDP-1 alphanumeric codes ‎ (Octal clarification)

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