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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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10
 
42
    
 
7
 
33
  
 
16
 
11
4
 
 
27
5
 
10
14
16
 
32
11
 
14
14
11
 
    
24
 
4
10
 
38
 
13
18
 
31
36
11
 
7
12
12
30
32
 
24
6
   
13
 
18
 
 
 
8
10
16
9
9
 
13
31
 
23
 
8
 
3
 
  
6
 
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