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 (an aa cried "boxes", "blocks", or "regions") conteens aw o the deegits frae 1 tae 9.

References[eedit | eedit soorce]

  1. ↑ Grossman, Lev (March 11, 2013). "The Answer Men". Time. Retrieved March 4, 2013. (registration needit)
  2. ↑ Arnoldy, Ben. "Sudoku Strategies". The Home Forum. The Christian Science Monitor. 
  3. ↑ Schaschek, Sarah (March 22, 2006). "Sudoku champ's surprise victory". The Prague Post. Archived frae the oreeginal on August 13, 2006. Retrieved February 18, 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. 
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