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Kakuro Kakuro
How to play Kakuro
Kakuro is similar to both sudoku and traditional crossword games.
Like a Crossword
Similar to crosswords, Kakuro has clues both across and down. When you put numbers in the vacant squares, the sum must equal the given clues. This is why the game is sometimes called 'cross sums'.
Like a Sudoku
Just like a sudoku, you cannot have the same number in a row or column. If a row is broken into 2 areas by a clue, then you can have the same number occuring once in each of the separate areas.
Other variations
Still looking for more puzzles? How about a variation on sudoku? Try Wordoku. Wordoku uses letters instead of numbers and has a hidden 9-letter word! For crossword puzzles, try Free Crossword PUzzles. 2 free crosswords (Easy, Hard) daily.

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Hard Kakuro for 19/December/2009


 
  
 21 
 
  
 21 
  
 39 
  
 14 
 
   
  20
 9 
       
  18
  
           
  23
  
       
  
 17 
  
 22 
   
  28
 17 
       
 
  35
  
         
 
  18
  
         
Choose a number, and place it in the grid above.
  1 2 3 4 5 6 7 8 9
Talk about anything and everything, but nice to each other - you don't have to agree, but this is not the place for personal attacks. As Sir Paul McCartney said: 'I used to think anyone doing anything weird was weird. Now I know that it is the people that call others weird that are weird' (longer explanation). Enjoy!
5:37
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got the orphans, but nothing else so far - stuck
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Chris, after seeing you're comment, I went immediately to using the possibilities option. When I saw H or Y must be 4, I was sure H must be 4, since it was so restrictive if not. However, I could not see far enough forward to get a contradiction in my head. So on a lark, I tried H = 4, and this More...
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Very difficult. I don't have it yet.
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Steve, looking for short trial and error contradictions but just can't find any. It feels like the top half of the puzzle and the bottom hal;f of the puzzle interact, makign any chain longer than I can keep in my head
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Chris, After the orphans, and eliminations, I had for possibilities B=3456, C=56789, D=89, E=45, FG = 12, H=456, I=56, JK = 78, L = 23, M = 56, N = 456, O=5678, P=89, Q=678, R=89, S=56, T=567, U=89, V=567, W=89, X=123456 and Y=456789. IF H = 4 it leads to the top row B=5, C=7, D=8 (since G = 2 More...
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Nearly 35 minutes (!), after discarding a couple of threads of possibilities. Time well wasted?
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Difficult Puzzle. Orphans needed to get started. Then my solution based on proof of four. It is limited for 18 Across and 39 Down. Each trail is straight forward yet long. But you can get to see the failed option therefore the other is corrct and runs out easily.
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11:45
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1832, all logic
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without orphans - the 4th cell and the 6th cell in 39D can't be the 89 pair, else there's an illegal dual solution formed (either 8 or 9 works). Therefore C=89 and it all falls out easily. Good puzzle.
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Great observation, Chris.
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Thanks Karl, quite often I find the existence of pairs elsewhere in the puzzle (in this case the 89's) gives a clue of where to try looking
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Orphans and Chris's uniqueness hint, thanks Chris, 2019
free kakuro puzzles | online kakuro puzzles
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