Brain Teasers For Adults: Triplets Puzzles - 100 Large Puzzles For Adults (Brain Teaser Puzzles)

Triplets ("One or All") is a logic puzzle invented by Naoki Inaba (Japan). The task consists of a rectangular or square grid divided into regions of exactly three cells. Some cells contain figures of 3 kinds: squares, circles, triangles. The goal is to fill in each cell with figures. Each region must contain all identical or all different figures. When two figures are orthogonally adjacent across a region boundary, the figures must be different.

• | Author: Deborah Andrews
• | Publisher: Independently published
• | Publication Date: Jun 18, 2018
• | Number of Pages: 115 pages
• | Language: English
• | Binding: Paperback
• | ISBN-10: 1983207195
• | ISBN-13: 9781983207198