Author: Mykola Krylov
Publisher: Createspace Independent Publishing Platform
ISBN: 9781986115582
Category :
Languages : en
Pages : 138
Book Description
Sudoku X also called Diagonal Sudoku. Each puzzle consists of a 9x9 grid containing given clues in various places. The object is to fill all empty squares so that the numbers 1 to 9 appear exactly once in each row, column, diagonal and 3x3 box.