Meaning of "Sudoku"
Updated February 23, 2017 | Factmonster Staff 
The Question:
What does "Sudoku" mean?
The Answer:
"Sudoku" literally means "single number." It is actually an abbreviation of a longer name, "SÅ«ji wa dokushin ni kagiru," which roughly means "the numbers must occur only once."
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-The Fact Monster
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