Texas Jigsaw Windoku: 200 Hard 9x9 Irregular Killer Extra Region Sudoku (Paperback) (ISBN-13: 9781705696354)

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 9 Irregular regions 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.)Sudoku may contain additional four regions 3 x 3

Author: Sudoku Mania
ISBN-10: 170569635X
ISBN-13: 9781705696354
Publisher: Independently Published
Language: English
Published: 11/05/2019
Pages: 122
Format: Paperback
Weight: 0.38lbs
Size: 9.02h x 5.98w x 0.26d