Sudoku Variants Series (217) - Extra Boxes Sudoku
(Published on 23. January 2018, 00:00 by Richard)
Extra Boxes Sudoku
Inspiriation for this type comes from WSC 2017.
Solve online in F-Puzzles (with letters instead of lines) or CtC-app (with letters instead of lines) or CtC-app (with multi-colouring possibility instead of lines)(thx Nick Smirnov!)
Apply classic sudoku rules. Each marked 3x3 group of cells contains also the digits from 1 to 9.
This puzzle can be solved by logic alone.
Solution code: Row 6, followed by column 4.
Comments
on 23. August 2022, 06:29 by Richard
Added links and tag for online solving. Thx Nick!
on 29. September 2021, 01:04 by Nick Smirnov
f-puzzles (extra boxes are marked with letters):
https://f-puzzles.com/?id=ygra3gfr
CTC App (letter version):
https://tinyurl.com/hyaxy3cv
Or you can mark extra boxes with colours using multi-colour mode. Here is the version without letters:
https://tinyurl.com/hpmv7auv
on 23. September 2018, 15:22 by Richard
@Eisbär: your assumption is completely correct!
I wish I realised that during solving on WSC2017! :-) Would have saved me time.
on 28. January 2018, 14:08 by rubbeng
I like it!
on 23. January 2018, 09:35 by lubosh
Another excellent piece from genial author !
on 23. January 2018, 09:10 by Statistica
Very nice! No need to underline that the puzzle "can be solved by logic alone". Your puzzles always have this quality attribute :-)
