Decoding Sudoku: Grasping the Essence of the Puzzle The Fundamentals of Sudoku At its core, Sudoku is a logic-based puzzle that challenges you to fill a 9×9 grid with numbers in such a way that ...

Mathematicians have uncovered a powerful pattern known as the 'Phistomefel Ring' - and it's hidden in every Sudoku ever made. Best of all, puzzle experts say the pattern could help you solve ...