Download or read book Samurai Sudoku X - 200 Master Puzzles Vol.4 written by David Smith and published by . This book was released on 2020-09-03 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.