Best Maths Puzzles With Answers: Sign In Puzzles - The Best Puzzles Collection (Brain Teaser Puzzles)

Sign In is played on a square grid. The goal is to fill in each cell with numbers from 1 to N, where N is the size of the puzzle's side. No number may appear twice in any row or column. Some digits may be given at the start. If absolute difference between two digits in neighbouring cells equals 1, then they are separated by a sign "+" or "-". If a border between cells contains a sign "+", a digit in a left or upper cell is one lower than a digit in a right or lower cell. If a border between cells contains a sign "-", a digit in a left or upper cell is one bigger than a digit in a right or lower cell. All instances of consecutive digits are shown by these signs. puzzle games for adults - puzzle game books - puzzle game books for adults - puzzle game adult - puzzle game brain teaser - puzzle game for adults - puzzle game gift - logic puzzles - logic puzzles for adults - logic puzzle books for adults - logic puzzle book - logic puzzle games - logic puzzle workbook - logic puzzle adult - logic puzzle for adults - logic puzzle grid - logic puzzle magazine for adults - brain teasers for adults - brain teaser puzzles - brain teaser puzzles for adults - brain teaser games - brain teaser adult - brain teaser books for adults - brain teaser books - brain teaser games for adults

Author: Jeff Heldt

Publisher: Independently published

Publication Date: Aug 17, 2018

Number of Pages: 115 pages

Language: English

Binding: Paperback

ISBN-10: 1718188722

ISBN-13: 9781718188723