11:22

dxSudoku #33 Remote Pair Puzzle Solving Technique

14:06

dxSudoku #27 Skyscraper Puzzle Solving Technique

14:01

dxSudoku #29 Empty Rectangle Puzzle Solving Technique

22:38

The Easy Way To Spot X-Cycles

13:51

dxSudoku #35 XY-Wing Puzzle Solving Technique

10:18

Tutorial #68 Strong and Weak links and Open Ended Chains, which enable you to remove small numbers.

19:55

SECRET To Solving Sudoku XY-CHAINS - SHC #114

12:27

Solving a Hard Level Sudoku Puzzle with Remote Pair AND XY Wing!!!