Samurai Sudoku X Samurai Sudoku X - 200 Easy Puzzles vol.1, Book 1, (Paperback)

Samurai sudoku X puzzles consist of five overlapping sudoku grids. The standard sudoku rules apply to each 9 x 9 grid. Place digits from 1 to 9 in each empty cell. Place 1 to 9 once each into every diagonal. Every row, every column, and every 3 x 3 box should contain one of each digit.