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When you have the same pair of candidates in one row or column, you have found a unadorned pair. At this point, you can be certain of their Total placement while in the grid, Even when you simply cannot yet explain to the final posture of each and every digit. This allows you to reduce People candidates from any other possibility inside that row or

When you have the identical pair of candidates in just one row or column, you have discovered a naked pair. At this time, you'll be able to be selected of their All round place within the grid, even if you can not nevertheless tell the ultimate placement of each and every digit. This lets you eradicate those candidates from almost every other proba