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| MATRIX: | CLEAR · SAVE · RECALL · SOLVE ! |
| ALGORITHMS: | Singles A singled-out value in a box/row/column is a solution |
| Outter Exclusions Values which appear only in one row/column within a box cannot appear in any other box on the same row/column |
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| Inner Exclusions Values which appear only in one box per row/column cannot appear anywhere else in the same box |
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| Groups (pairs, triplets, ...) Values which can be grouped as pairs/triplets/... in a box/row/column cannot appear anywhere else in the same box/row/column |
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| Recursion Eventually, when everything else fails, try brute force! |
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| PROGRESS: | Delay [ms]: (-1 for manual step) = New solution Which then eliminates itself from the related box/row/column... = Indirect new solution Which in its turn eliminates itself from the related box/row/column... = Modified but still undetermined |