This is the latest in my "Sandwiches Without Givens" series. Other puzzles in the series are:
The Rules:
An example using tetrominoes: Here's a complete puzzle using tetrominoes if you want something smaller to try first.
The Puzzle:
F-puzzles: Click here
CTC: Click here - (I recommend turning "Dashed Grid" on -- answer check not enabled)
Lösungscode: The letters and numbers from row 5 and column 10. (20 digits)
am 25. November 2023, 15:09 Uhr von RockyRoer
Added solution to CTC link.
am 22. Januar 2023, 01:57 Uhr von mathpesto
I had so many favorite steps throughout this solve!
am 18. Januar 2023, 03:51 Uhr von KNT
even more fun than the tetromino version. Thanks for these puzzles, I'd gladly solve more :-)
am 11. Januar 2023, 00:22 Uhr von SudokuExplorer
Lovely! I really enjoyed the logic to partition the grid. :-)
am 10. Januar 2023, 18:38 Uhr von RockyRoer
Fixed incorrect links.
am 10. Januar 2023, 18:35 Uhr von RockyRoer
Sorry for originally posting incorrect links. Things should be fixed now. Thanks for making me aware PixelP.