Op het internet vind je verschillende aanbieders van sudoku-competities. Geld opnemen kan al vanaf € 20. Ook kun je je inschrijven op de nieuwsbrief.
https://talk.hyipinvest.net/threads/274245/
https://shop.oawxw.net/forum.php?mod=viewthread&tid=2016574&extra=
http://qrfonline.qrfmag.com/qrfswap/viewtopic.php?t=74291
http://webidsupport.4up.eu/forums/showthread.php?tid=286145
https://debate.socialism.nl/forum/showthread.php?tid=217001
https://www.ww2.site/forum/viewtopic.php?t=80504
https://ebagcilar.com/forum/index.php?topic=24002.new#new
http://forum.spolokmedikovke.sk/viewtopic.php?f=17&t=798309
http://forum.spolokmedikovke.sk/viewtopic.php?f=7&t=858742
http://mirosovak.edoras.cz/viewtopic.php?f=3&t=140984
https://ufr-2020.front5.picapo.net/forums/viewtopic.php?pid=437620
http://firecongressnow.org/showthread.php?tid=22013
http://www.suseage.com/forum.php?mod=viewthread&tid=943836&extra=
http://webidsupport.4up.eu/forums/showthread.php?tid=283611
https://www.ww2.site/forum/viewtopic.php?t=131610
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