You may only split a pair (two sixes or two 10-rank cards).
https://planeswalkers.org/viewtopic.php?t=18884
https://foro.muvenezuela.org/showthread.php?tid=77913
http://oldsite.giessen46ers.de/fantalk/viewtopic.php?f=1&t=195941
https://planeswalkers.org/viewtopic.php?t=64455
http://60.250.226.63/ipkb/viewtopic.php?f=41&t=1972085
https://muchroom.ng/index.php?topic=45495.msg53085#msg53085
http://wirtualnapolityka.cba.pl/showthread.php?tid=8847
https://67farms.st/viewtopic.php?t=6446
https://foro.muvenezuela.org/showthread.php?tid=66787
https://muchroom.ng/index.php?topic=78038.new#new
https://muchroom.ng/index.php?topic=36610.new#new
https://www.ww2.site/forum/viewtopic.php?t=375258
https://planeswalkers.org/viewtopic.php?t=63797
http://60.250.226.63/ipkb/viewtopic.php?f=41&t=1936423
http://mirosovak.edoras.cz/viewtopic.php?f=3&t=276986
http://1.s.2.free.fr/viewtopic.php?f=18&t=499862
http://horsecity.ru/phpBB3/viewtopic.php?f=7&t=276625
http://tv-online.simple-otr-mirror-alternative.de/phpBB3/viewtopic.php?f=36&t=4842
https://catrachosporelmundo.com/index.php?topic=4689.new#new
http://labradory.info.pl/viewtopic.php?f=11&t=28591
https://planeswalkers.org/viewtopic.php?t=34921
https://catrachosporelmundo.com/index.php?topic=3905.new#new