SUDOKU 9*9
Sudoku originally called Number Place is a logic-based, combinatorial number puzzle.
In sudoku, the objective is to fill the grid with digits so that each column, each row, and each of boxes contains all of the digits from 1 to 9.
A few of the numbers are filled in the grid as your clues.
DO you know where did the SUDOKU originate?
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The game first appeared in Japan in 1984 where it was given the name “Sudoku,” which is short for a longer expression in Japanese – “Sūji wa dokushin ni kagiru” – which means, “the digits are limited to one occurrence.”