Lesson 4. Learn Sudoku. Very Important hints.

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My web site http://www.sudokuguy.com/ One of the biggest mistakes beginners make is to put all possible numbers in each cell. This a lot of work and not necessary until you get to the very advanced puzzles. If a possible number can go in a row, column or block more than twice do NOT put that number in those empty cells. If a possible number can ONLY go in a row, column or block twice then put that number in each of the 2 cells.
As you progress you will find that this is technique makes it not only less messy, but easier to solve.

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This is important for those who speak another language.
You can turn on captions and have them automatically translated into the llanguage of your choice.
At the bottom of each vvideo click on the cc in a little square then click on the settings gear next to the cc on the right. Here you are able to select tha language of your choice so you can read the captions at the bottom of the video in your chosen language.

Видео Lesson 4. Learn Sudoku. Very Important hints. канала Sudoku Guy