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.

Kakuro Hint: Not sure what a number is yet? Fill in its remaining possible values -- the cell will automatically resize to accommodate.

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Also try sudoku and hitori
 
 
11
 
3
   
 
8
 
15
 
18
   
11
 
 
25
22
25
   
36
 
 
10
 
26
 
 
23
9
29
16
21
18
 
 
9
30
35
 
15
13
17
 
27
38
 
6
12
 
9
16
16
 
29
 
17
 
13
7
 
13
45
 
 
8
 
29
4
 
 
12
3
29
 
24
14
20
 
21
22
 
10
27
23
 
30
 
8
 
 
14
18
6
16
 
17
6
 
14
 
5
   
37
 
   
7
 
 
9
 
00:00
You are playing 9x17 expert puzzle 30363

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