Normal sudoku rules apply.
Each red cell contains a different digit.
Digits in red cells are higher than their four orthogonally connected neighbours.
Digits connected by a black dot are in a ratio of 1:4.
All possible dots showing a 1:4 ratio are given.
Solution code: row 9
on 18. August 2022, 13:55 by Snookerfan
Great puzzle, thank you!
on 18. August 2022, 07:00 by brandon_bot
Very cleverly designed.
on 17. August 2022, 12:37 by Harold
Fun puzzle to solve, thanks!
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