• Four-Letter Universal Boggle Grid

    From Carl G.@21:1/5 to All on Sat Feb 10 19:08:26 2024
    My last post "The Seven Dwarfs and the Tiny Room", reminded me of a
    puzzle posted in 1999*:

    Create a 4 by 4 grid of cells. Put one letter in each cell, either
    "A", "B", "C", or "D", such that one can create any sequence of these
    letters by stepping from one cell to an adjacent cell. The steps can be orthogonal or diagonal (Boggle fashion, except that one can revisit
    cells). Make sure to allow for sequences with repeated letters like "...AAAAA...".

    *Side note: Google apparently lost/discarded most of the early Usenet posts--including many of my posts to rec.puzzles. It reminds me of how
    many early motion picture films were lost when production companies had
    them destroyed to save storage space. When Google took over the Deja
    News archive, who knew that much of the early history of the Internet
    was going to be willfully discarded and/or made irretrievable.

    Carl G.

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