Lesson 10 3 empty cells in a line within a block

3 empty cells in a block, where the other blocks have numbers in line with the 3 empty cells. This system often enables you to solve 3 numbers quickly. Note how I found a mistake I made showed you what i did wrong. Did you notice this? There are more tricks involving 3 empty cells coming in future lessons. Have fun mastering easy and medium puzzles before going onto advanced puzzles. *ATTENTION TEACHERS: A great resource. PowerPoint lessons, activities, and videos available in a teaching format on Teachers Pay Teachers. https://www.teacherspayteachers.com/S... Each month I upload and premier a new tutorial after which I hold a live streaming session for all to watch and ask questions. Go www.sudokuguy.com click on videos and this takes you to my channel page on youtube and if you look at the heading COMMUNITY you will see when I am uploading the next video Facebook: Sudoku Guy https://www.facebook.com/Sudoku-Guy-6... for FAQ go to http://www.sudokuguy.com/ for all videos Have fun. Robin the sudoku Guy