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A comment on Arthur Whitney's one liner sudoku solver.

Re:Arthur Whitney's one liner sudoku solver by bishop77 on Tuesday October 08, 2024 @02:59PM (#41780585)
For sudokus of size 9x9 and 16x16 almost any unoptimised DFS will work just fine (even for hard sudokus [0]). The real challenge is for sudokus of size 25x25 and above.

[0] https://cdn.aaai.org/ocs/2517/2517-11201-1-PB.pdf

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