C132233133112121111331333133313331333132331213331333133312333231   >>    C13223313311212111133133313331333133313233121333133313331233323   <<    C132233133112121111331333133313331333132331213331333133312333233   >>      C132233133112121111331333133313331333132331213331333133312333232   >>