Monday, 13 November 2017

PUZZLE NO. 16 : EXTRA REGIONS SUDOKU


RULES : Classic sudoku rules apply. Additionally , each group of nine coloured cells must also contain the digits 1 to 9.                                           

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Puzzle No. 497: Odd Even Sudoku

  Rules: Classic Sudoku rules apply. Cells containing grey circles contain only odd digits. Cells containing grey squares contain only even ...