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How to solve Videos      Forum Timed Rankings Books Specials Print
14 Aug 2012   Show solution
     Rating:  
     Points: 5     Solved 425 times so far
abcdefghi
1 
3
7

10
15

4
13
13
  1  
Clear
  2  
Undo
  3  
Bold
  4  
 Pencil
  5  
  6  
  7  
  8  
  9  
2 

16


16




3 
17
15



9

22

4 

17

8


13

4
5 

9

13
17




6 
7

9

12

8

19
7 
12




15
13
2

8 

18
14

8




9 
6




10

11

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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