Tatamibari (Japanese: タタミバリ) is a type of logic puzzle designed and published by Nikoli. The puzzle is based on Japanese tatami mats.
Rules
A Tatamibari puzzle is played on a rectangular grid with three different kinds of symbols in it: +, -. and |. The solver must partition the grid into rectangular or square regions according to the following rules:
References
Tatamibari Wikipedia(Text) CC BY-SA