Sudoku Grids
AUTHORS
Alexandra Costa | magomes@ie.uminho.pt| IE – University of Minho
Alexandra Gomes | magomes@ie.uminho.pt | CIEC/IE – University of Minho
SUMMARY
Nowadays, almost everyone has heard of Sudoku or seen one of its puzzles (in books, newspapers, magazines, TV guides, etc.). The objective of Sudoku is to fill a 9×9 grid with numbers, so that each row, column and 3×3 region contains all the numbers from 1 to 9. Determining the exact number of Sudoku grids that can be formed has aroused the interest of several researchers. In this article, we will try to understand how to determine the number of Sudoku grids that can be formed, without repetitions.
KEYWORDS
Sudoku; Sudoku grids
RELEVANT DATES
Published: 2014/06/21