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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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24
 
9
  
 
15
 
26
  
 
13
 
23
 
19
11
 
16
 
20
7
8
 
28
7
20
 
14
11
15
27
 
 
4
12
38
10
19
 
11
11
 
31
17
18
 
  
14
35
 
16
16
9
10
 
38
  
15
 
6
 
12
16
 
3
12
 
24
15
8
 
 
5
 
16
11
6
7
 
 
13
21
36
8
 
 
10
10
 
 
33
17
14
24
 
16
12
 
14
22
23
7
 
8
 
19
16
 
9
6
7
8
36
 
10
 
19
 
8
 
14
 
00:00
You are playing 9x17 hard puzzle 27797

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


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