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Sudoku in spreadsheets

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Aijaz Akhtar

Journeyman
Hope that membwers are aware about the lately popularb Soduku puzzles. I tried to generate it in a spreadsheet. Excel failed to generate a random number (even through its help) but OOO Calc did, but it repeated numbers.
To tell frioends here, Ubuntu is a 9x9 grid, in each 3x3 grid, there should be unique numbers from 1 to 9, and the whole table thus has 9 rows and 9 columns, and each row as well as column must have a unique number from 1 to 9. How it can be done in Excel and/or calc??
 
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