Сейчас ищут
Sudoku Guy. Смотреть видео: Tutorial 56 A Difficult Puzzle Solved From Beginning To End Lots To Learn, Lesson 6 Sudoku Rule Of Exclusion 2 Empty Cells Hint For Small Numbers, Tutorial 99 WOW Lots To Learn For All Levels, Tutorial 58 Hard Sudoku Puzzle With Lots Of Techniques.