User blog comment:Jens Ingels/Breeding Legend Dragons (the compair array list)/@comment-10760902-20130627090336/@comment-3271569-20130627122211

So that means that low array list trick doesn't work anymore because we can't make advantage of the skipping process. So soccer + soccer, cool fire + cool fire, soccer + cool fire, cool fire + soccer, ... you array list remains the same.