You simply need to collect as many cards as you can to make it as close to 21 without going over, in rare cases.
http://horsecity.ru/phpBB3/viewtopic.php?f=11&t=370425
http://horsecity.ru/phpBB3/viewtopic.php?f=33&t=212170
https://neoternia.net/viewtopic.php?t=176844
https://classic.darkml.net/bbs/forum.php?mo...3355&extra=
https://forum.pcfoster.pl/topic/121267-jack...rland/?p=288173
https://www.chargersixpackforum.com/forum/t...g-circus.12553/
http://kiteonly12.free.fr/viewtopic.php?f=7&t=57195
http://oldsite.giessen46ers.de/fantalk/vie...=3&t=238006
https://www.silencertalk.com/forum/viewtopic.php?t=722867
http://treasureillustrated.com/showthread.php?tid=281498
http://forum.bandingklub.cz/viewtopic.php?f=26&t=1551431