Three Diabolical Sudoku Techniques
39:32
Beyond Diabolical... Sudoku Madness!
19:04
Sudoku 101: Hidden Triples
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Simply Beautiful Sudoku Logic
42:41
The Lines that CONCEAL their IDENTITY!
28:52
New Sudoku Technique Discovered
2:00:39
A 100% Rated Puzzle; 5/5 Difficulty. Hold My Beer. (For 2 Hours...)
45:36
The Sudoku With Only 10 Words Of Rules (!)
37:26