https://puzzlewocky.com brain teasers, word games, paradoxes, situation puzzles, and optical illusions Wed, 13 Dec 2023 08:43:44 +0000 hourly 1 https://wordpress.org/?v=6.9.4 https://puzzlewocky.com/math-fun/from-orthogonal-latin-squares-to-finite-projective-planes/#comment-365 Tue, 07 Mar 2023 21:16:48 +0000 https://puzzlewocky.com/?page_id=2448#comment-365 Is it possible to construct a 5 by 5 Graeco Latin square that is not only unique for each space horizontally vertically BUT ALSO along the two major diagonals? without one dimension being identical to another?

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