Sudoku

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A teepical Sudoku puzzle, wi nine raws an nine columns that intersect at square spaces. Some o the cells are filled wi a nummer; ithers are blank cells tae be solved.
A typical Sudoku puzzle
The previous puzzle, shawin its solution.
An its solution

Sudoku (数独, sūdoku, digit-single) (oreeginally cried Nummer Place)[1] is a logic-based,[2][3] combinatorial[4] nummer-placement puzzle. The objective is tae fill a 9×9 grid wi deegits sae that each column, ilk raw, an each o the nine 3×3 subgrids that compone the grid (cried "boxes", "blocks", or "regions" an aw) conteens aw o the deegits frae 1 tae 9.

References[eedit | eedit soorce]

  1. Grossman, Lev (11 Mairch 2013). "The Answer Men". Time. Retrieved 4 Mairch 2013.(registration needit)
  2. Arnoldy, Ben. "Sudoku Strategies". The Home Forum. The Christian Science Monitor.
  3. Schaschek, Sarah (22 Mairch 2006). "Sudoku champ's surprise victory". The Prague Post. Archived frae the original on 13 August 2006. Retrieved 18 Februar 2009.
  4. Lawler, E. L. (1985). The Traveling Salesman Problem: A Guided Tour of Combinatorial Optimization. West Sussex: John Wiley & Sons. ISBN 0-471-90413-9.