Sudoku Tricks: The Swordfish Pattern
13:30
Diabolical Sudoku Guide: Part 3 of 3: Finned Swordfish
28:03
Extreme Sudoku: Wings, Skyscrapers & Empty Rectangles
1:02:04
Do You Use A Pencil To Solve Sudoku?
13:55
dxSudoku #41 X-Chain Puzzle Solving Technique
29:19
Solving a Hard Level Sudoku Puzzle with Skyscraper Swordfish AND Forced Chains!!!
30:10
Sudoku tutorial #86 Only 17 numbers to start!
20:04
Step-By-Step Method For Hard Sudokus
20:35