Sudoku Primer 169 - Sudoku Techniques to Make a Hard Puzzle Easy

Learn how to make solving a hard puzzle easy by using these different sudoku techniques. Some of the techniques used in this puzzle are ► Twins ► Unique Rectangles (the Ambiguity Rule) ► Ghost Numbers ► Double Column Elimination This puzzle was suggested by Jimmy Duggan - thanks Jimmy. You can get lots of sudoku information - techniques, patterns, etc. by going to http://sudokuprimer.com. #StayHome and learn #WithMe - learn sudoku while you're self-isolating.