I have heard and read about how folks can really be addicted to this number game. What I didn't thought of was how I can be one of them! Although I generally like numbers, I was thinking how can grown ups be addicted with filling in the same set of numbers from 1-9 in tic tac toe manner in grids?
Sudoku is a logic-based number placement puzzle. The objective is to fill a 9×9 grid so that each column, each row, and each of the nine 3×3 boxes (also called blocks or regions) contains the digits from 1 to 9, only one time each (that is, exclusively). The puzzle setter provides a partially completed grid.
Sudoku is a logic-based number placement puzzle. The objective is to fill a 9×9 grid so that each column, each row, and each of the nine 3×3 boxes (also called blocks or regions) contains the digits from 1 to 9, only one time each (that is, exclusively). The puzzle setter provides a partially completed grid.
Completed Sudoku puzzles are a type of Latin square, with an additional constraint on the contents of individual regions.
The modern puzzle was invented by an American architect, Howard Garns, in 1979 and published by Dell Magazines under the name “Number Place“. It became popular in Japan in 1986, after it was published by Nikoli and given the name Sudoku, meaning single number. It became an international hit in 2005.
I am now at Medium Level. Have a go at it and see if you get into the Sudoku fever!
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