How to Solve a Medium Level Sudoku from the New York Times

Solving a Medium Level Sudoku Puzzle: X Wings, Locked Candidates, and Matching Pairs

Solve With Me | Follow Along: How to Solve a MEDIUM Sudoku Puzzle - Episode 6

Techniques for Hard Sudoku

How to Solve a Hard Level Sudoku Puzzle: Solve With Me

Solving a Hard Level Sudoku Puzzle with Skyscraper Swordfish AND Forced Chains!!!

How To Do Hard Sudokus In 10 Minutes

How To Ace The New York Times Hard Sudoku

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

Solve With Me: Can YOU solve this New York Times Medium Sudoku?

How To Play Sudoku for Beginners

dxSudoku #11 Hidden Triple and How To Find Them

Step-By-Step Method For Hard Sudokus

Hidden Pairs a.k.a. Hidden Matching Pairs – Solving a More Difficult Puzzle

Hard Sudoku Puzzle Made Easy: Solve With Me

Easy Solving for HARD Level Sudoku Puzzles: Solve With Me

Sudoku Solving Tip - X Wing Technique

Making a Hard Sudoku really easy

How to Solve a Rubik's Cube | WIRED

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