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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.

42738 puzzles downloaded.

17 8       60
        18 65
          38
  10   4 3 47
34 29 61 46 40 1-20
Showing puzzle number: 521
Startnumbers: 6
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