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Shuffle puzzles

My database includes 1645 puzzles for the moment and I'm constantly generating more. Rules: Fill in the board so the sum of each row is the number to the right in the row, and the sum of a column is the number in the bottom of the column. You must you all numbers 1-20.

74768 puzzles downloaded.

  6   19   54
    4     32
17         47
  16   18 20 77
42 33 45 41 49 1-20
Showing puzzle number: 431
Startnumbers: 7
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