Lesson 4. Learn Sudoku. Very Important hints.
20:06
Lesson 2: Learn sudoku.Vertical Blocks using LCR and Ram
19:22
Lesson 5: Learn Sudoku. The Effect of 3 Numbers in a row or column within a Block
7:08:42
#4 sliding number puzzle // lets fun and play
17:59
Techniques for Hard Sudoku
28:33
Lesson 12 Sudoku The "Outside the puzzle technique"
19:04
Sudoku. Lesson 4 Very important hints for solving sudoku puzzles.
17:38
Lesson 10. Sudoku 3 empty cells in a line within a block
30:27