RULES: Classic Sudoku rules apply. No same digit touches each other diagonally. Additionally, there are some thermometer shapes in the grid. The digits are in increasing order from the bulb to the flat end of each thermometer.
Wishing all of you a Merry Christmas. Here is a hybrid sudoku themed on 25-12-23!
Hi all. It really feels great to reach 500 Sudokus on my blog. When I started the blog, I never imagined I would come this far. To celebra...