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Sudoku puzzles (Su Doku)

My database includes 6262 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 6. The grey boxes is even numbers and the white boxes is odd. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

102439 puzzles downloaded.

2         5
           
           
           
           
3         6
Showing puzzle number: 4512
Puzzletype: Symmetrical Sudoku
Startnumbers: 4
Difficulty: Very hard (0)
Solution methods: SiSo SC SB XW NS
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