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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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21
 
33
 
5
 
24
    
 
32
 
19
 
15
11
  
10
13
32
 
24
14
9
 
19
16
 
18
8
15
 
26
 
 
5
8
11
13
 
 
9
11
7
 
25
 
10
   
12
12
28
8
 
10
9
 
9
10
 
3
 
9
 
7
13
4
 
 
16
10
13
  
28
 
10
21
 
39
 
10
 
 
22
16
35
 
16
7
20
8
 
  
26
7
10
 
17
8
 
8
33
 
15
8
17
 
22
 
6
 
  
29
 
  
00:00
You are playing 9x17 expert puzzle 15228

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