3. Sudoku Advanced - XY Wing

Learn XY wing, an advanced  technique to solve sudoku puzzles. It's very exciting to learn how to spot them. The logic is so beautiful. When you are stuck in a Sudoku puzzle, you still have some logic to solve. Isn't it wonderful to learn one such technique?

Example Sudoku with XY wing, the one shown in video:
https://www.sudoku-solutions.com/inde...

Sudoku code: ManiXYwingex2

Xwing technique link: 1. Sudoku Advanced - X wing

SwordFish technique link:
2. Sudoku Advanced - SwordFish

Sudoku basics:
Sudoku basics 1 - Tamil


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