C132233133112121111331333133313331333132331213331333133313333233232321   >>    C13223313311212111133133313331333133313233121333133313331333323323232   <<    C132233133112121111331333133313331333132331213331333133313333233232323   >>      C132233133112121111331333133313331333132331213331333133313333233232322   >>