Sudoku Primer 173 - Using sudoku patterns and techniques together to solve a difficult puzzle

This puzzle is easily solved when using sudoku patterns and techniques at the same time. Learn how to solve difficult puzzles using both of them at the same time. The concept of hidden patterns is also discussed, which can also help a lot.

In this video we learn about the following patterns.
► Opposite
► Corner
► Plus
► we also learn about Hidden patterns.

In this video we learn about the following techniques.
► Twins
► Triplets
► Ghost numbers
► Unique rectanglse (Ambiguity rule).

Go to http://sudokuprimer.com to learn about all of these sudoku techniques and patterns.

Видео Sudoku Primer 173 - Using sudoku patterns and techniques together to solve a difficult puzzle канала Harold Nolte