Normal sudoku rules apply.
Adjacent digits along green lines must differ by 5 or more.
Sandwich: Numbers outside the grid indicate the sum of the digits located between the 1 and 9 in that row or column.
Leaning Sandwich: Arrows with a number outside the grid indicate the sum of the digits located between the 1 and 9 on the indicated diagonal, There can be only one [1] and one [9] on a indicated diagonal.
All possible leaning Sandwich clues are given.
To clarify, all numbers outside the grid are both standard sandwich and leaning sandwich clues
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Feel free to recommend this puzzle to anyone.
Feel free to take special rules for your own puzzle.
Feel free to give feedback.
Bless you!
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Example
All possible leaning Sandwich diagonals are given on the grid below.
Solution code: give the digits of column 9 (top to bottom)
on 29. December 2025, 10:42 by zrbakhtiar
At first, I was very confused on the definition of negative constraint on leaning Sandwich. After solving full grid, I get what it meant. Great puzzle, thank you for sharing with us.
on 28. December 2025, 19:00 by Exigus
Excellent show of learning sandwiches. Thanks!
on 28. December 2025, 16:48 by Franjo
Very good sandwich! Thank you for creating and sharing this lovely puzzle.
on 27. December 2025, 20:45 by snuuba
Beautiful puzzle, many thanks