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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 Tutorials: Basic Challenging

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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39
 
11
 
11
    
 
15
 
22
 
16
 
19
15
 
8
21
 
23
 
13
13
11
 
26
22
  
 
6
11
  
11
13
 
32
 
9
12
 
8
12
4
20
45
 
13
 
11
15
6
 
   
6
11
 
16
12
24
 
15
 
24
8
14
13
6
 
34
 
24
 
  
22
 
  
00:00
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