Mystery triangle! // hexwab                #
256 bytes @ Lovebyte 2025                 ##
BBC Micro model B/B+/Master/Compact     #  #
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A mini-puzzle.  What *precisely*     # #   #
are you looking at?                 ####  ##
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(Extra credit: how long         #   #   # ##
until it loops?)               ##  ## #    #
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