X-Wings and the Rectangle Rule for Solving Medium to Hard Sudoku Puzzles

How To Do Hard Sudokus In 10 Minutes

In which I solve an EXTREME SUDOKU for Twitter

Techniques for Hard Sudoku

Y-wing (XY Wing) - an Advanced Sudoku technique

Tutorial #50 Solving a hard puzzle from the beginning to the end

Crack Hard Sudoku Puzzles With the Skyscraper Pattern

Easy Solving for HARD Level Sudoku Puzzles: Solve With Me

NYT hard sudoku in 5 minutes 🔥 08.01.2025

Sudoku solution – New York Times 9 January 2025 Hard level

Making a Hard Sudoku really easy

Top Nine Most Often Used Strategies for Solving Expert Sudoku Puzzles

Tutorial 58. Hard sudoku puzzle with lots of techniques.

Tutorial #40 A must know technique. NOT a puzzle.

How to Solve HARD Sudoku Puzzles

The Simple Trick For Hard Sudokus

Solve With Me Hard Sudoku Puzzle: Step By Step New York Times Hard Level

Sudoku solution – New York Times 8 January 2025 Hard level

How to Solve a Hard Level Sudoku Puzzle with an XY Wing

Tutorial #56. A difficult puzzle solved from beginning to end. Lots to learn.