Also known as British Bingo, it is the most popular variation of the game.
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http://users.atw.hu/tunedthings/viewtopic.php?p=439846#439846
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http://mirosovak.edoras.cz/viewtopic.php?f=3&t=563007
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https://www.ww2.site/forum/viewtopic.php?t=76414