Diagonal Sudoku puzzle
A Sudoku X puzzle with shaded diagonals and a matching answer.
16 x 16 Sudoku puzzle
A filled-in Hexadoku worksheet using 1-9 and A-G, with a separate answer.
Using this resource
Use all 16 symbols once in each row, column and 4 by 4 box. A-G stand for the remaining seven symbols after 1-9.
This puzzle has one verified solution under the 16 by 16 constraints. Print the SVG at a larger size for more writing space.
Show the matching answer
Image prepared by Sudokumax. Updated .
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An irregular Sudoku worksheet with nine connected regions and a matching answer.