Fun Puzzles And Brain Teasers: Sandwich Puzzles (Logic Grid Puzzle Books)

Sandwich is a logic puzzle invented by Naoki Inaba (Japan). A rectangular or square grid contains numbers in some cells. The task is to blacken some empty cells according to the rules: - All white cells must be divided on regions having the size of exactly three cells. - Two black cells must not be orthogonally adjacent. - Each region contains a number. - A number indicates how many black cells share an edge with that region.

Author: Marcus White

Publisher: Independently published

Publication Date: Oct 02, 2018

Number of Pages: 115 pages

Language: English

Binding: Paperback

ISBN-10: 1726646637

ISBN-13: 9781726646635