C132233133112121111331333133313331323331333133313233313113123121   >>    C13223313311212111133133313331333132333133313331323331311312312   <<    C132233133112121111331333133313331323331333133313233313113123123   >>      C132233133112121111331333133313331323331333133313233313113123122   >>