Tuesday, 17 October 2017

PUZZLE NO. 02 : EXTRA REGIONS SUDOKU



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

13 comments:

  1. nice variant enjoyed solving it

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  2. Nice one my timing is 19min

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  3. 5:49.Some intricate deductions.Enjoyed this !

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  4. Took 12:10 to solve it. I had to use colouring at one place! Don't know if there was something better to solve this.

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  5. Took 12:10 to solve it. I had to use colouring at one place! Don't know if there was something better to solve this.

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    Replies
    1. I think u missed out on something. It already has so much coloring :). On a serious note, no such techniques are required.

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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...