Wednesday, 19 August 2020

PUZZLE NO. 163 : Disjoint Groups Sudoku

 


RULES : Classic sudoku rules apply. Additionally, no digit can appear in the same position in different 3x3 boxes.

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Puzzle No. 458: Sum Next to 9-Renban Sudoku

  Rules: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box. Clue...