Règles
- Règles classiques du sudoku,
- Chaque groupe de neuf cases grises contient les chiffres 1 à 9. +++++++++++++++
- Classical rules of sudoku,
- Each group of nine grey cells must also contain the digits 1 to 9.
samedi 13 décembre 2014
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I love the shape of this one! Usually noticing quads in a sudoku is way too hard, but here the geometry gives you lots of natural pairs and quads to think of as groups. Well done!
RépondreSupprimerThanks !
SupprimerWhen I create extra-regions sudoku, I like to use at best the logic induced by the shape of regions. In this sudoku, it was really interesting to see that the L-shape regions induced some nice matches between group of cells.
20:24, a really tough but throughly enjoyable Sudoku. Brilliant use of the regions in the logic.
RépondreSupprimerquelle est la difficulté?
RépondreSupprimer