How to breakthrough by hard Sudoku techniques of single digit lock and parallel scan explained in step by step solution to medium Sudoku level 3 game 5.
Step by step solution of medium Sudoku level 3 game 4 explains hard Sudoku techniques for breakthroughs such as single digit lock or deformed X wing.
Follow step by step solution to Sudoku level 3 game 3 to learn how to solve a hard Sudoku game. Hard Sudoku technique X wing provided the main breakthrough.
Step by step solution of the medium Sudoku level 3 game 2 explains in details how a medium hard Sudoku game is solved. Sudoku techniques used are explained.
From the step by step solution to the Sudoku level 3 game 1, learn to solve medium hard Sudoku. This is the start of medium Sudoku game solution series.
