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October 20, 2005



Su Doku is an addictive puzzle game like a crossword puzzle. It was originally invented in Japan, however, it is not so popular in this country. After it was introduced in a newspaper in North America, it won over a big market, not only in North America but also in Europe. It is so popular that I found a special corner for Su Doku in a bookstore in Vancouver. The name of this puzzle game indicates it's rules. Su means number and Doku means bachelor in Japanese. There are 9 x 9 grids made of nine 3 x 3 grid boxes, and some of the cells have one digit numbers from 1 to 9. The object of this game is to fill in all the cells with a number. When you play it, every row, column, and box has to contain all the numbers from 1 to 9. The rule is very simple, but in order to solve it highly logical thinking is required. That is one of the reasons for the popularity of this game. They are playing it to prevent senility.

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