Sudoku Advanced - Solve a hard puzzle

Let's solve a hard Sudoku by using the techniques learnt in previous videos. We will be doing pencil marking and see how the techniques emerge.


https://www.sudoku-solutions.com/inde...

Sudoku Identification code: ManiHardpuzzle

Video links to techniques used in this video:
Swordfish : 2. Sudoku Advanced - SwordFish
XY Wing: 3. Sudoku Advanced - XY Wing

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