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
 
 
17
 
8
 
29
 
12
 
10
   
 
42
 
13
21
 
 
17
19
32
 
7
15
   
15
37
11
 
 
 
9
21
24
9
 
17
14
 
8
26
16
 
14
 
9
 
15
35
17
 
7
7
12
14
 
11
 
22
 
 
 
13
8
10
9
 
15
 
11
9
 
33
 
11
 
 
17
 
00:00
You are playing 9x11 hard puzzle 9124

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