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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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23
 
23
  
 
4
 
12
  
 
11
 
38
  
13
 
6
 
4
16
 
18
8
 
22
10
17
 
  
25
6
 
11
 
4
14
10
 
 
 
5
18
11
12
7
13
 
8
17
19
20
12
 
 
20
4
23
 
8
 
11
 
 
8
29
3
4
 
13
17
16
13
41
 
 
9
 
4
 
 
17
11
39
 
6
12
15
24
 
9
16
10
22
10
 
16
 
 
28
  
12
 
4
11
16
 
 
22
26
 
 
8
24
4
21
 
13
 
 
5
 
3
 
14
 
00:00
You are playing 9x17 intermediate puzzle 47946

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