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Sudoku数独演示稿
Sudoku 数独 sūdoku すうどく
312 Cui Ruoxuan Peng Ziling Wang Xiaoyun Zhao Yiqing Zhang Wanli
HISTORY OF SUDOKU
Completed puzzles are always a type of Latin square with an additional constraint on the contents of individual regions. For example, the same single integer may not appear twice in the same 9×9 playing board row or column or in any of the nine 3×3 subregions of the 9×9 playing board.
The puzzle was popularized in 1986 by the Japanese puzzle company Nikoli, under the name Sudoku, meaning single number. It became an international hit in 2005.
RULES
Let every small square be basic square and every 3*3 square be a combined square.
1. Fill every combined square with number 1~9.
2.The top left corner of every combined square must be filled with number 1~9.
3.The numbers on the lines that last sheet showed must be 1~9.
1
8
4
2
6
3
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