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Extra Special – Overlapping Kendoku TwoDoku puzzle

Well, a little later than anticipated, I am ready to show you my first Kendoku (aka Square Wisdom) puzzle! And to compensate for being late, I have created something really special – the first ever (?) Overlapping Kendoku (CanCan, Square Wisdom) puzzle! If you have seen overlapping Kendoku puzzles elsewhere – please let me know. Also, I’d like to let you know that as of Monday, October 6, 2008 I will be posting DAILY KENDOKU Puzzles here on the main page of the website! Kendoku Rules: Solve the puzzle so that every row and every column contain all numbers from 1-9. Therefore, numbers cannot be repeated in a row or in a column. Further, numbers in each region (cage) surrounded by thick lines must result in the number indicated for that cage by using the arithmetic operation shown for that cage. To be more specific:
  • for addition (+) and multiplication (x) when you add/multiply numbers in a cage, the result must be the same as the one shown for that cage
  • likewise for subtraction (-) and division (/), but make sure you start your arithmetic with the largest number in the cage!
  • if there is no arithmetic operator shown in a cage, you have to figure out what it must be
  • numbers CAN BE repeated in any cage
  • Anyway, here is today’s puzzle: 9×9 Kendoku in TwoDoku (Gattai-2) arrangement for Friday, October 3, 2008. CalcuDoku for Friday, Oct 03, 2008
    Difficulty: BRAIN
    (click to download or right-click to save the image!)

    Little CalcuDoku book 150 puzzles

    To see the solution to this puzzle click here

    These puzzles are also available to newspapers, magazines and other publishers. Be the first to have my CalcuDoku puzzles printed!

    You can use my CalcuDoku Calculator to help you out with the possible combinations for a cage.

    Enjoy! Questions, comments and suggestions are more than welcome!
    This entry was posted in CalcuDoku, Free sample puzzles and tagged , , , , , , , , . Bookmark the permalink. Post a comment or leave a trackback: Trackback URL.


    1. Gwyn Morgan
      Posted October 4, 2008 at 8:50 pm | Permalink

      This is an interesting innovation. I suspect the difficulty level might escalate rapidly as you develop the idea. I was grateful, for example, that there were only two overlapping puzzles, and that there were no small numbers for a cage without any indicated arithmetic operator.

    2. udosuk
      Posted October 7, 2008 at 3:04 am | Permalink

      It’s a fine puzzle. Thanks djape! 😉

      I’ve solved it without using any operator at all. 8)

    3. Gaynor
      Posted October 7, 2008 at 6:38 pm | Permalink

      Enjoyed your puzzle, thanks DJ. Makes a change from doing killers – though I still prefer the killers.

    One Trackback

    • By Daily Kendoku (CanCan, SquareWisdom) #6 on September 12, 2011 at 2:14 am

      […] in addition to all Kendoku rules, there is one extra: two adjacent cells MUST NOT contain two consecutive […]

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