What Is Sudoku X? The Diagonal Sudoku Variant Explained
Plus Sudoku X, also called diagonal sudoku, is a logic-puzzle variant of classic sudoku with one extra rule: in addition to every row, column and 3×3 box containing the digits 1–9,…
diagonal sudoku
Diagonal Sudoku: How to Play Sudoku X
Diagonal Sudoku — also known as Sudoku X — is a Sudoku variant where the two main diagonals of the grid must each contain the digits 1 through 9 exactly…