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4x4: easy intermediate hard challenging expert
6x6: easy intermediate hard challenging expert
8x8: easy intermediate hard challenging expert
9x11: easy intermediate hard challenging expert
9x17: easy intermediate hard challenging expert

Kakuro is like a crossword puzzle with numbers. Each "word" must add up to the number provided in the clue above it or to the left. Words can only use the numbers 1 through 9, and a given number can only be used once in a word. Every kakuro puzzle has one and only solution, and can be solved through logic alone.

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Kakuro Hint: Not sure what a number is yet? Fill in its remaining possible values -- the cell will automatically resize to accommodate.

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Also try sudoku and hitori
     
 
12
 
5
    
 
8
 
27
  
   
9
19
  
11
 
 
28
 
12
19
 
38
17
17
11
 
35
6
37
 
10
9
3
 
8
17
9
21
 
 
13
32
35
 
13
 
9
24
 
8
10
4
26
12
 
37
13
20
 
6
12
18
 
  
16
 
  
 
6
 
  
12
 
    
00:00
You are playing 9x11 hard puzzle 8096

Start over, and play another kakuro of this size and difficulty.


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