hardest sudoku puzzle printable
Finland based mathematician, Arto Inkala, has specially created a Sudoku to rival his World’s Hardest ‘Al Escargot’ puzzle produced in 2006. The puzzle is waiting for anyone who wants to test their ... The puzzle is called the Miracle Sudoku and it’s made by fellow puzzle legend Mitchell Lee. And here are the special rules: “Any two cells separated by a knight’s move or a king’s move (in chess) ...
The World's Hardest Sudoku by Arto Inkala - Abakcus
