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Calcudoku:4×45×56×68×812×128×8Killer SudokuSudoku
Level:EasyMediumDifficultEasyMediumDifficultEasyMediumDifficultMediumDifficultno-opEasyEasyMedium
5 Aug 2012 (solution tomorrow)
     Rating:  
     Points: 5     Solved 106 times so far
abcdefghi
1 
3
12

14
5

10

15
  1  
  Clear  
  2  
  Undo  
  3  
  Bold  
  4  
  Pencil 
  5  
    
  6  
    
  7  
  8  
  9  
2 
10
12


17

11


3 

10

8

20

5
12
4 
13

13

11


6

5 

8

11


20

12
6 
10

9




10

7 

15

9

16
17

4
8 
9

10




15

9 

1

11

9


2

You can solve the puzzle using the number + arrow keys, or the mouse. Use shift + number to toggle guesses, the space bar to clear a cell, and 'backspace' for undo. Press '=' to highlight the number in a cell.

A Killer Sudoku is the same as a Calcudoku puzzle, except:

  • the operator is always + (and not shown)
  • every 3×3 box has the numbers 1..9 exactly once
  • a cage also can not have duplicate numbers (!)

You can also solve the puzzles on the iPhone/iPod Touch/iPad and the Kindle 3.


total
All puzzles published on this site are © Patrick Min. Send your ideas and suggestions to



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