Download or read book Best Brain Puzzles: Furisuri Puzzles - The Best Stress Relief Puzzles written by Rebecca Howell and published by Active Minds Puzzles. This book was released on 2018-09-09 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: Furisuri ("Free Three") 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 of exactly three cells. Each block must contain one circle. It must be possible to move each block by one cell in at least one direction. mind puzzles for adults - mind puzzle books for adults - mind teasers puzzles for adults - puzzles engage your mind - easy mind puzzles - mind puzzle games for adults - active minds jigsaw puzzles - brain puzzles for adults - brain puzzle books for adults - brain puzzle books - brain teaser puzzles - brain puzzle challenge - brain puzzle games - active minds puzzles