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Rank 4
Normal Sudokus
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5
3
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7
1
4
5
2
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3
4
9
5
3
8
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4
Severity Level: Very Hard
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Sudoku
General
X-Sudoku
Minimal Problems
Severity Level
Hints
Watch Hand Method
Candidates
The "Problem"-Menu
Example Booklet
Download and Installation
Options
Screen Layout
Print
Generate
Miscellaneous
Tricky Problems
Normal Sudokus
X Sudokus
