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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: Not sure what all of the valid combinations are for a number? Click on the number clue, and a tooltip will show you the possibilities.

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28
 
8
 
4
 
30
  
 
30
 
5
 
3
 
16
 
10
11
 
43
7
9
 
  
9
16
 
12
 
19
14
 
15
4
21
 
   
12
20
 
13
11
12
 
5
20
12
 
16
13
15
 
  
6
11
 
16
  
10
 
17
22
11
11
 
24
11
 
19
19
 
16
 
11
16
14
 
 
 
23
23
21
  
13
12
11
 
12
20
7
7
  
17
 
  
12
14
 
18
 
11
19
 
4
17
4
 
 
 
10
21
3
 
13
10
16
39
 
  
19
 
25
 
  
00:00
You are playing 9x17 hard puzzle 18157

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


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