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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.

42366 puzzles downloaded.

1   15 10   45
3 13     5 36
    11     49
          80
30 42 46 39 53 1-20
Showing puzzle number: 425
Startnumbers: 7
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