Thirteen in the shade
(Published on 24. May 2024, 20:32 by Lutterot)
Rules
Standard sudoku rules apply.
V: Cells separated by a V sum to 5.
Killer: Digits in a cage sum to the given total.
Yin-yang: Shade some cells such that all shaded cells are orthogonally connected, all unshaded cells are orthogonally connected, and no 2 by 2 area is fully shaded or unshaded.
13 sums: In each row/column (2 or more) connected shaded cells sum to 13. See example below.
Circles: A digit in a circle gives the number of cells in the (up to) 9 surrounding cells, including itself, that are shaded. All possible circles are given.
Example with 10 sums in a 6x6 sudoku: In each row/column (2 or more) connected shaded cells sum to 10.
Link: Play on CtC
Standard sudoku rules apply.
V: Cells separated by a V sum to 5.
Killer: Digits in a cage sum to the given total.
Yin-yang: Shade some cells such that all shaded cells are orthogonally connected, all unshaded cells are orthogonally connected, and no 2 by 2 area is fully shaded or unshaded.
13 sums: In each row/column (2 or more) connected shaded cells sum to 13. See example below.
Circles: A digit in a circle gives the number of cells in the (up to) 9 surrounding cells, including itself, that are shaded. All possible circles are given.
Example with 10 sums in a 6x6 sudoku: In each row/column (2 or more) connected shaded cells sum to 10.
Link: Play on CtC
Solution code: Row 1 from left to right as nine characters
Last changed on on 27. May 2024, 15:24
Solved by SKORP17, jkuo7, SPring, LeaVulpina, codewizard, Asphodel
Comments
on 27. May 2024, 15:24 by Lutterot
Example in a 6x6 grid added. If anyone knows a better way to formulate the 13 sums rule, please enlighten me.
I also added a killer cage to the puzzle. Without it, one step in the solution path was of a difficulty that didn't match the rest of the puzzle.
