Medium Sudoku Outside Puzzle Book for Adults: 250 Medium Sudoku For Intermediate Players

250 excellent puzzles 9x9 for Intermediate Players at the level of Medium. All riddles have only 1 solution.2 puzzles per page.High quality paper and print (all puzzles read well, easy to write with pen and pencil without worry of bleed-through).Outside Sudoku is a variation of the regular Sudoku puzzle. Outside the grid are the numbers that must be present in the first three cells of the corresponding row or column.The goal of Sudoku is to fill in the empty cells, one number 1 to 9 in each, so that each column, row, and region contains each number exactly once.