Hi all,
Is this really the hardest-ever sudoku?
800000000003600000070090200050007000000045700000100030001000068008500010090000400
News source:
solve-hardest-ever-sudoku-133055603--abc-news-topstories.html
Thanks,
Dino
dino_hsu_1019 wrote:
Is this really the hardest-ever sudoku?
800000000003600000070090200050007000000045700000100030001000068008500010090000400