To continue with variation about the Super Sudoku 16x16. One that is obvious is the Sudoku even/odd, each grayed cell has an even number (2,4,6...) and on the other hand each normal cell (white cell) has odd number (1,3,5 ..). This constrain help you to determine which number to put. So I present you one puzzle
The printable files PDF.
Puzzle: sudokup_16X16_00001.pdf
Solution : sudokup_16X16_00001_sol.pdf
If you find this puzzle to scaring you could try a conventional 9x9 Sudoku even.
The printable files PDF.
Puzzle: sudokup_9X9_00013.pdf
Solution : sudokup_9X9_00013_sol.pdf
I hope that you enjoy these puzzles !!
