Toichika is a Logic puzzle published by Nikoli. - Between two paired arrows, no other arrow must be placed.. - Two regions With paired arrows must not be horizontally or vertically adjacent.
There are no unpaired arrows. - Each two arrows are paired, they point to each other.
The goal is to place arrows in some cells according to the following rules: - Each region contains exactly one arrow.
The task consists of a rectangular or square Grid divided into regions.
Toichika is a Logic puzzle published by Nikoli