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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: Start with clues that only have one valid combination. For example, 3 in 2 must be 1 and 2, and 23 in 3 must be 6, 8, and 9.

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26
 
39
 
16
 
17
    
 
14
 
11
  
19
 
  
11
9
 
18
26
 
11
8
12
 
  
11
15
14
8
13
 
11
10
10
10
 
17
12
8
42
 
18
 
13
11
 
13
11
14
 
32
 
  
16
16
7
 
4
7
8
23
  
   
34
8
 
41
 
11
 
5
11
12
 
17
12
3
 
  
26
14
14
 
15
12
19
17
 
 
9
11
26
17
15
 
29
17
 
14
12
13
 
11
 
14
16
 
16
11
10
30
 
15
 
 
9
 
  
27
 
00:00
You are playing 9x17 hard puzzle 35604

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


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