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Sudoku puzzles irregular (Su Doku)

My database includes 7630 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row, every column, and every box contains the digits 1 through 4. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

221896 puzzles downloaded.

2   1  
  3   4
4   3  
  1   2
Showing puzzle number: 475
Puzzletype: Symmetrical Sudoku
Startnumbers: 8
Difficulty: Super easy (0)
Solution methods: SiSo
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