Pure 3 X 3 matrix
Concrete 3 X 3
April 2024 ->>>> Current Location: Taito, Chiba
April 2022 ->>> Previous Location: Ohara, Chiba
Oct 2021 ->> Niseko/Toyoura, Hokkaido
Aug 2021 -> Mogi, Nagasaki
June 2021 -> Kumakogen, Ehime
April 2021 -> Moji, Fukuoka