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 ...

But when it comes to boosting brain power, which one is better? Sudoku is a logic-based number puzzle played on a 9x9 grid. The objective is to fill in the grid so that each row, column ...