Hitta mönstret och fyll i rätt tal.
http://resources.oswego.org/games/spookyseq/spookyseq2.html
http://resources.oswego.org/games/spookyseq/spookyseq3.html
http://resources.oswego.org/games/spookyseq/spookycf5.html
http://resources.oswego.org/games/spookyseq/spookycf10.html
http://resources.oswego.org/games/spookyseq/spookycb2.html
http://resources.oswego.org/games/spookyseq/spookycf5.html
http://resources.oswego.org/games/spookyseq/spookycb10.html