Easy Pillbug Maze

Pillbugs show the interesting characteristic called 'turn alternation'. They choose left or right way opposite to the previous choice. This maze is for seeing that. Watch the video how to try.

https://youtu.be/bcGmP1t8NzM

Thanks to the blog (in Japanese):
http://tousan.hatenablog.com/entry/2016/0606

Scientific paper:
Turn alternation in the pill bug (Armadillidium vulgare)
https://www.researchgate.net/publication/229421486_Turn_alternation_in_the_pill_bug_Armadillidium_vulgare