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"Generating highly balanced sudoku problems as hard problems."
Carlos Ansótegui et al. (2011)
- Carlos Ansótegui
, Ramón Béjar
, Cèsar Fernández, Carla P. Gomes, Carles Mateu
:
Generating highly balanced sudoku problems as hard problems. J. Heuristics 17(5): 589-614 (2011)

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