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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
 
 
3
 
42
 
11
  
 
11
 
13
 
6
    
8
 
20
 
 
27
  
19
 
14
15
 
34
 
17
22
 
15
10
 
3
 
12
 
 
16
6
7
4
 
31
8
26
 
26
33
14
 
12
 
8
14
6
 
 
16
19
23
    
   
30
 
 
36
 
26
 
 
18
19
37
  
15
4
12
 
9
9
10
26
26
 
16
16
29
 
11
 
4
 
 
13
10
 
17
19
18
 
 
7
9
12
 
6
 
20
 
17
 
   
7
 
11
 
00:00
You are playing 9x17 expert puzzle 29928

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


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