![]() ![]() This is the key difference to remember between sudoku X and regular sudoku. Practice scanning the diagonal regularly rather than just the rows, columns and boxes to help you make progress. In order to solve a sudoku X puzzle you will use the same logic as with standard sudoku, but remembering to apply it to the diagional 'X' regions, too here are some solving tips: Strategy and Solving Tips for Sudoku X PuzzlesĪll of our sudoku X puzzles have a single solution that can be reached through the use of logical rules alone, no guessing is ever required. ![]() If you enjoy this puzzle type, you can join our online Puzzle Connoisseur's Club for £12 or $17 a year and play a new Sudoku X Puzzle puzzle every day of the year, together with many other fun and interesting logic puzzles. Like to have a go at the sudoku X puzzle that is displayed above? Then you can do so for free online with our Online Sudoku X Puzzle Player The key to solving them is to remember that these two extra regions exist and using the information they provide to help you reduce the options for squares and hence solve the puzzle. Whereas standard sudoku on a 9x9 grid has 27 regions, in a sudoku X puzzle there are 29 regions instead. Sudoku X is one of the more commonly seen variants of sudoku, and one of the easiest to understand, as there are no new rules as such, just additional regions. Here is an image of the start position of a sudoku X puzzle: These regions must also contain 1-9 once only. In addition, there are two shaded diagonal regions in the grid, which together form the shape of the letter 'X'.Place the numbers 1-9 once in each row, column and 3x3 box of the grid.The rules of Sudoku X Puzzles are as follows:
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