This pattern means that the 16 squares around the central ... to your advantage in your next Sudoku. A Sudoku is a puzzle ...

As per the Phistomefel Ring principle, the 16 squares that circle the central 3 x 3 square will always contain the same ...

Sudoku is a logic-based, combinatorial number-placement puzzle. In classic Sudoku, the objective is to fill a 9×9 grid with digits so that each row, each column, and each of the nine 3×3 ...