Challenging Logic Puzzles: Irupu Puzzles - 100 Logic Grid Puzzles With Answers (Logic Puzzle Books)

Irupu ("I-Loop") is a logic puzzle invented by Naoki Inaba (Japan). A rectangular or square grid contains circles in some cells. The goal is to locate some blocks in the grid, having the size either 1 x 3 or 3 x 1. Each block contains one circle and must be orthogonally adjacent to exactly two other blocks. All block cells form one contiguous region.

• | Author: Ted Warner
• | Publisher: Independently published
• | Publication Date: May 11, 2018
• | Number of Pages: 115 pages
• | Language: English
• | Binding: Paperback
• | ISBN-10: 1981074945
• | ISBN-13: 9781981074945