Sudoku, was known as Number Place or Nanpure, it was a kind of puzzle logic. The aim is to put numbers from 1 to 9 into boxes 9×9 which content 9 boxes 3×3 without any number repeatly in a row or a column or a box. First was published bynewspaper in France at 1895 and it might been effected by Switzerland mathematician Leonhard Euler, the famous maker of Latin square.
Modern versionof this game was started in Indianapolis at 1979. Then, become popular in Japan at 1986, when Nikoli Publisher found this puzzle was created by Howard Garns.
Name of "Sudoku" is synonym in Japanese from "Suuji wa dokushin ni kagiru" ("Suuji wa dokushin ni kagiru"?), it means "the numbers must unique".
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