Sudoku 49x49 Vol I: Volume I

FOR THE FIRST TIME IN THE WORLD, FIND 49x49 SUDOKU PUZZLES (ALONG WITH THE SOLUTIONS) IN THIS PRINTED BOOK. The book presents a set of 25 puzzles. Solving each puzzle calls for a real genius in you. All puzzles in this book are computer generated with our own invented algorithm that is capable of generating all possible combination grids of sizes up to 81x81, and even beyond. As these puzzles are difficult to solve, the book provides the solution to each puzzle.