These are physical integrity checks that a computer algorithm simply cannot simulate.
http://www.horsecity.ru/phpBB3/viewtopic.php?f=13&t=213932
https://www.ww2.site/forum/viewtopic.php?t=76505
https://neoternia.net/viewtopic.php?t=169088
http://pravoslit.ru/forum/arkhiv-gazety-svet-pravoslaviya/288323-hogyan-lehet-n-velni-a-k-szp-nznyerem-nyt-az-online-nyer-g-peken-nyer-g-pes-j-t-kok-computer.html
http://mirosovak.edoras.cz/viewtopic.php?f=3&t=210282
https://www.ww2.site/forum/viewtopic.php?t=113965
https://neoternia.net/viewtopic.php?t=173690
https://www.ww2.site/forum/viewtopic.php?t=99376
https://www.seono1.co.th/forum/index.php/topic,1007165.new.html#new
http://www.lada-xray.net/showthread.php?p=142809#post142809