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Disjointed Killer

(Published on 4. August 2021, 03:58 by LucyAudrin)

Identical digits cannot occupy the same position in two different 3x3 boxes (disjoint groups). Digits in cages sum to the number in the top left corner. Digits on arrows sum to the digit in the connected circle. The inequality sign indicates the relationship between two cells.

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Solution code: Row 1

Last changed on on 4. August 2021, 20:50

Solved by PulverizingPancake, bigger, TheElusivePanda, lksso, Playmaker6174, Willy Wonka, ___, SKORP17, SudokuExplorer, Fedo , soroush, Quarterthru, Tilberg, SenatorGronk, kkli, antiknight, Markyboy, Kabuki73, LeLoyJenkins, cfop, PureImprov, 0123coolkid, RootsInWermland, butch02, zorant, ManuH, mlkj, morgannamodeaura, StefanSch, cdwg2000, PinkNickels, apwelho, bolado, jalebc, finger, mezkur7, cbrown92
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Comments

on 6. August 2024, 21:13 by mezkur7
Sudokupad: https://sudokupad.app/jr3xzlra5c

on 6. August 2021, 16:10 by RootsInWermland
Nice puzzle. A bit tricky in the start before you see what is going on. Via nice interaction between arrows and disjoints it then leads to some interesting logic - which slowly but surely unwinds itself into a pleasant solve. Thanks

on 5. August 2021, 10:58 by Markyboy
Nice puzzle, took me several goes. The disjoint sets have you looking all over the grid.

on 4. August 2021, 20:50 by LucyAudrin
Clarified disjoint rules

on 4. August 2021, 16:41 by SudokuExplorer
Some feedback regarding clarity of rules and tags:

1. The rules should be easily understood by anyone who isn't familiar with them. So can you explain the disjoint sets rule.

2. Written tags without brackets are for puzzle types. The only puzzle type here is a sudoku. Arrows is a different type of puzzle (http://wiki.logic-masters.de/index.php?title=Arrows/en)

3. This is a multi-variant puzzle, not a single-variant puzzle.

4. You could include the variant tags for Disjoint Groups, Killer and Arrows.

See here for more advice on labels/tags:
https://logic-masters.de/Raetselportal/Hilfe/tags.php

on 4. August 2021, 08:31 by TheElusivePanda
It took me a little over two hours to complete but this is my first 3 star puzzle I ever solved. I really liked the logic in box one leading to the rest of the solve. For me, the pairs were hard to disambiguate but it was very rewarding. Thank you for the puzzle.

Difficulty:3
Rating:77 %
Solved:37 times
Observed:8 times
ID:00076O

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