C132233133112121111331333133313331333132322331333133112213123121   >>    C13223313311212111133133313331333133313232233133313311221312312   <<    C132233133112121111331333133313331333132322331333133112213123123   >>      C132233133112121111331333133313331333132322331333133112213123122   >>