Blank Samurai Sudoku template
Five overlapping 9×9 grids, with four shared 3×3 boxes, on one printable blank Samurai Sudoku template.
Diagonal Sudoku rules diagram
A Sudoku X grid highlights both main diagonals to explain the additional rule used in diagonal Sudoku.
Using this resource
Standard row, column and box constraints apply. Each highlighted main diagonal must also contain digits 1–9 once.
This is a rules illustration and blank template. Ordinary Sudoku puzzles cannot be assumed to satisfy the diagonal rule.
Image prepared by Sudokumax. Updated .
More to explore
All Sudoku images
Blank 16×16 Sudoku grid
An empty 16×16 Sudoku template divided into sixteen 4×4 boxes. Save it as a PNG or scale the SVG for printing.