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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 Tutorials: Basic Challenging

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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11
 
39
  
 
11
 
23
 
41
 
16
    
12
 
23
 
 
13
 
9
3
 
28
10
 
7
11
8
 
7
9
17
 
19
42
 
42
  
10
 
33
13
 
11
23
 
24
20
 
21
 
9
15
 
 
3
17
10
16
 
4
 
10
5
9
16
 
14
36
 
9
 
   
25
 
14
 
00:00
You are playing 9x11 challenging puzzle 9279

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