Blank Samurai Sudoku template
Five overlapping 9×9 grids, with four shared 3×3 boxes, on one printable blank Samurai Sudoku template.
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.
Using this resource
Use a consistent set of 16 symbols, such as 1–9 and A–G, when copying or constructing a puzzle. Do not mix numbering conventions.
Every row, column and 4×4 box must contain each chosen symbol once. This is a blank template, not a validated playable Hexadoku puzzle.
Image prepared by Sudokumax. Updated .
More to explore
All Sudoku images
Diagonal Sudoku rules diagram
A Sudoku X grid highlights both main diagonals to explain the additional rule used in diagonal Sudoku.