Normal Sudoku rules apply.
5's live in Dutch Flats
All 5's in the grid must strictly have EITHER; a '1' directly above it AND/OR a '9' directly below it. It may have both, but it doesn't need both.
Examples provided below on an empty grid.
Friendly Cells
Digits in a circle must match that circles Row, Column or Box number.
For example R2C3 must be either a 1 (Box), 2 (Row), or 3 (Column).
All circles are given!
To play this puzzle please click here: Play CTC
Please give this a chance, I promise it is approachable once you appreciate the constraints.
Special Thanks
Previous puzzles in this series:
Solution code: Digits from Row 4
on 9. February 2024, 18:13 by antiknight
Amazing puzzle with lovely deductions and ending!
on 7. February 2024, 21:03 by Nurator
Nice! Amazing how you found another valid grid with only 27 circles. The additional constraint was fun to play around with :)
on 7. February 2024, 16:17 by goodcity
Really nice tribute to Nurator who created a great approachable puzzle using this constraint. Thank you !
on 7. February 2024, 15:14 by ViKingPrime
Love it. Love everything about it. Brilliant use of the constraint (definitely need to go check out the inspiration for this). Incredible as always.
on 7. February 2024, 12:02 by anyeyeball
It is very friendly of you to make all these Dutch Flats sudokus. This one was exceptional. Thanks.