This is a Windoku Sudoku
Rules:
Normal Sudoku rules apply.
Place numbers in the grid such that every row, column and 3x3 box contain the numbers 1 to 9.
Each of the four shaded 3x3 boxes must also contain the numbers 1 to 9.
Solution code: Row 5
on 7. February 2021, 23:22 by fuxia
Link for online solving: https://f-puzzles.com/?id=yxpunboj
Please note: The German version of this page has changed. It is possible that this page does not contain the latest information.