Little Killer Twins
(Published on 26. September 2020, 02:00 by SudokuExplorer)
Here they will be the main theme and challenge of the sudoku.
Normal sudoku rules apply.
The arrows around the grid point in a given diagonal direction.
Each digit on that diagonal occurs exactly twice.
The sum of all the cells on that diagonal is given next to the arrow.
For example, the little killer twin clue of 14 could be 2+5+2+5.
You can try this on Penpa+ or F-Puzzles.
Mystery Killer Triplets
Killer Pentuplet, Little Twins, Little Squares and Odd Knights
Solution code: Enter the 2nd row (left to right), followed by the last column (top to bottom).
Comments
on 31. July 2021, 20:43 by SudokuExplorer
Fixed labels/tags
on 8. December 2020, 20:48 by MariaL
What a really nice variation on little killer sudokus!
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Thanks Maria! I'm pleased you enjoyed this variant :-)
on 9. October 2020, 21:04 by SudokuExplorer
@SirWoezel Thanks! It's a tricky one but at least the fun lasted longer :-)
on 9. October 2020, 11:58 by SirWoezel
Really nice puzzle! Took me quite some time too yesterday evening...
on 1. October 2020, 16:33 by SudokuExplorer
Thank you to everyone who attempted this puzzle, and especially those who rated it. I am humbled by your appreciation.
Tomorrow I will activate another sudoku with twin lines, but this time they will interact with killer cages instead. I hope you'll enjoy that one too.
on 28. September 2020, 17:59 by Mody
Sehr schön
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Dankeschön! I'm glad you enjoyed it :-)
on 26. September 2020, 18:40 by SudokuExplorer
@TimE and @cdwg2000: Thanks for giving this a go, and I'm pleased to hear that it was an interesting and fun experience. :-)
It was quite a tough one to set, because the interaction of the little twin clues lead to some interesting restrictions/properties.
But these restrictions are harder to spot, which is why I've tried to make the little killer clues as simple as I could (to provide an additional way to start the puzzle). Especially after my last skyscraper puzzle where the logic was much tighter (and thus only few solvers managed to spot the opening and central logic).
on 26. September 2020, 14:18 by TimE
Beautiful symmetry! Very fun and interesting puzzle :-)
on 26. September 2020, 02:57 by cdwg2000
Very good puzzle, but I found a shortcut to solve it: the number of the diagonal cross cell of the little killer will be repeated in N1379 at the same time. After discovering this, the puzzle became interesting.
