Where can I find Natsume Sōseki Sanshirō 1955 film adaptation directed by Nobuo Nakagawa?

Hi,

I’ve been looking everywhere for this film as I’ve seen the trailer. Anyone know or has a link to this full film?

Edit: My apologies, I wrote this really frustrated not being able to find the film. If anybody knows where I can find it legally produced or a library that may have it, that would be great! Please don’t send or comment any links with the pirated movie. Again, please accept my apologies.

https://www.reddit.com/r/japan/comments/vbt4al/where_can_i_find_natsume_sōseki_sanshirō_1955/