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      Sudokus and Gröbner Bases: not only a Divertimento 

      Gago Vargas, Manuel Jesús; Hartillo Hermoso, Isabel; Martín Morales, Jorge; Ucha Enríquez, José María (2006)
      Sudoku is a logic-based placement puzzle. We recall how to translate this puzzle into a 9-colouring problem which ...