They have 3 reels with a limited number of symbols.
https://boards.streamweaver.app/showthread.php?tid=1123
https://muchroom.ng/index.php?topic=101290.new#new
http://mirosovak.edoras.cz/viewtopic.php?f=3&t=534199
http://horsecity.ru/phpBB3/viewtopic.php?f=17&t=139749
https://muchroom.ng/index.php?topic=98151.new#new
https://muchroom.ng/index.php?topic=40823.new#new
https://www.ww2.site/forum/viewtopic.php?t=357238
https://www.ww2.site/forum/viewtopic.php?t=398809
http://www.lada-xray.net/showthread.php?p=248981#post248981
https://planeswalkers.org/viewtopic.php?t=96612
http://1.s.2.free.fr/viewtopic.php?f=18&t=505727