Книга "Pattern Power for Number Masters | Sudoku Ultimate | 200+ Hard to Extreme Puzzles".The numbers may look intimidating but Sudoku i s actually a fun game to play. Depending on how challenging the puzzles are, you can spend hours working on puzzles until you get them solved. You can share the game with a friend or two or you can try to solve them on your own. Your only tool to winning would be your pattern detecting skills. Grab a copy now. Это и многое другое вы найдете в книге Pattern Power for Number Masters . Sudoku Ultimate . 200+ Hard to Extreme Puzzles (Puzzle Therapist)