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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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7
 
10
    
 
8
 
10
 
24
    
8
 
 
4
9
15
    
42
 
 
13
 
28
 
 
15
10
11
 
5
12
25
13
 
 
11
30
24
36
 
9
6
 
 
6
13
27
10
30
36
 
 
25
  
11
 
16
23
 
15
8
 
9
24
8
23
 
14
 
18
7
 
 
26
41
17
30
 
9
11
 
9
 
15
9
 
37
24
27
 
 
15
15
16
11
 
 
10
16
15
 
16
 
10
   
41
 
   
15
 
  
17
 
00:00
You are playing 9x17 challenging puzzle 108228

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