The Big Book Of Logic Puzzles - Sujikai 400 Hard (Volume 20)

Sujikai (literally "diagonal") is a variation of Sudoku. The puzzle consists of a triangular grid of cells containing digits from 1 to 9. The objective is to fill a grid with digits so that each cell contains a digit and no digit is repeated in any column, row and diagonal in any direction. Also, no digit occurs twice in any of the three larger 3 x 3 square regions and any of the three larger triangular regions enclosed by thick borders.

Author: Mykola Krylov

Publisher: CreateSpace Independent Publishing Platform

Publication Date: Feb 28, 2017

Number of Pages: 270 pages

Language: English

Binding: Paperback

ISBN-10: 1544167792

ISBN-13: 9781544167794