Killer X Sudoku: 200 Hard 9x9 Killer Diagonal Sudoku (Paperback) (ISBN-13: 9781704690247)

The objective is to fill the grid with numbers from 1 to 9 in a way that the following conditions are met: Each row, column, and nonet contains each number exactly once.The sum of all numbers in a cage must match the small number printed in its corner.No number appears more than once in a cage. (This is the standard rule for killer sudokus, and implies that no cage can include more than 9 cells.)In 'Killer X', an additional rule is that each of the long diagonals contains each number once

Author: Sudoku Mania
ISBN-10: 1704690242
ISBN-13: 9781704690247
Publisher: Independently Published
Language: English
Published: 11/02/2019
Pages: 122
Format: Paperback
Weight: 0.38lbs
Size: 9.00h x 6.00w x 0.26d