The Rule of 45 of Killer Sudoku (innies and outies)
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Descrição
This tip is probably the most important solving technique of Killer Sudoku, one that will save you a lot of time. It does involve some math, but very simple one. Basically, the whole story is that …
Killer Solving Guide
JSudoku - Innies/Outies Techniques
JSudoku - Innies/Outies Techniques
How to go from here : r/sudoku
Getting started on this killer sudoku via outies : r/sudoku
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