In this variant of sudoku puzzles, you start with a completely empty grid. It is up to you to solve all 81 cells The clues, which are given outside the grid, tell you which numbers must appear in the first 3 cells of the same row (or column). In addition to Outside sudoku puzzles, in this book you will also find Outside sudoku variants, including: outside jigsaw sudoku, outside consecutive sudoku, outside non-consecutive sudoku, outside hyper sudoku (windoku), outside odd/even sudoku and outside diagonal sudoku X. All in all, there are 120 puzzles of various difficulty for you to solve. But remember, since each one must be filled from an empty grid, they represent a bigger challenge than your ordinary sudoku. All puzzles are created by Djape, the author of numerous sudoku and other puzzle books.