Книга "Building an Empire One Sudoku a Time | Sudoku Variety of Very Hard Puzzles".Feel happy and confident of your number skills by doing Sudoku, especially the very hard ones. That is because you feel a sense of accomplishment whenever you prove to yourself that you can do it. Sudoku is a logic and memory game. You cannot "shortcut" the answers because unlike trivia, you don't need general knowledge beforehand. Solve a Sudoku puzzle today! Это и многое другое вы найдете в книге Building an Empire One Sudoku a Time . Sudoku Variety of Very Hard Puzzles (Puzzle Therapist)