Unusual Sudoku Logic
1:02:04
Do You Use A Pencil To Solve Sudoku?
23:35
Why Handmade Sudokus Are Better! A.k.a. One Of Our Best Puzzles Ever
17:50
The Most Under-Used Sudoku Technique
20:52
The Sudoku Technique The Computer Doesn't Know
25:39
Extreme Sudoku: Human Logic Trumps Computer Guessing
19:27
One Of The Best Classic Sudokus Ever
12:08
Teacher FORCES student to solve complex equation to MOCK Him, unaware the boy has GENIUS IQ
1:19:04