Difference between revisions of "Innie"
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In a [[ | In a [[Killer Sudoku]], an '''innie''' is a [[cell]] that does not belong to any of the selected [[cage]]s, but lies inside the tested [[house]](s). It is used in the [[45 rule]], a [[solving technique]] used for Killer Sudokus. The digit for a single innie can be calculated as follows: | ||
(number of tested houses) x 45 - (sum of selected cages) | (number of tested houses) x 45 - (sum of selected cages) | ||
Latest revision as of 10:26, 30 October 2021
In a Killer Sudoku, an innie is a cell that does not belong to any of the selected cages, but lies inside the tested house(s). It is used in the 45 rule, a solving technique used for Killer Sudokus. The digit for a single innie can be calculated as follows:
(number of tested houses) x 45 - (sum of selected cages)
The orange cell r3c3 is an innie for nonet 1. Its value is 45 - (3 + 12 + 9 + 15) = 6.
