Dubbelen kan alleen na het ontvangen van de eerste twee kaarten; daarna vervalt deze optie.
https://debate.socialism.nl/forum/showthread.php?tid=198182
http://forums.shlock.co.uk/viewtopic.php?f=2&t=418624
https://www.clubhombre.com/mybb/showthread.php?tid=7458
http://horsecity.ru/phpBB3/viewtopic.php?f=22&t=221461
http://horsecity.ru/phpBB3/viewtopic.php?f=33&t=310714
http://bbsc.gaoxiaobbs.cn/forum.php?mod=vi...8795&extra=
http://forum.spolokmedikovke.sk/viewtopic....11&t=823891
https://sgs-game.com/forum/thread-252019.html
https://bbs.chaken.net.cn/forum.php?mod=vie...2535&extra=
http://forum.spolokmedikovke.sk/viewtopic....22&t=900183
http://webidsupport.4up.eu/forums/showthread.php?tid=286157
https://www.ww2.site/forum/viewtopic.php?t=141079
http://forums.shlock.co.uk/viewtopic.php?f=2&t=430002
https://sozvezdie-khv.ucoz.ru/forum/13-4037-1#5584
https://45.83.123.20/viewtopic.php?t=17843
https://neoternia.net/viewtopic.php?t=242415
https://mmomakemoneyonline.net/threads/wat-...o-markt.434274/
http://forums.shlock.co.uk/viewtopic.php?f=2&t=412361
http://www.horsecity.ru/phpBB3/viewtopic.p...10&t=149870
http://1.s.2.free.fr/viewtopic.php?f=18&t=250378
http://forum.spolokmedikovke.sk/viewtopic....=4&t=783211
https://debate.socialism.nl/forum/showthread.php?tid=189539