D2311233132233131323132333131313233313132333132233131331121211111   >>    D231123313223313132313233313131323331313233313223313133112121111   <<    D2311233132233131323132333131313233313132333132233131331121211113   >>      D2311233132233131323132333131313233313132333132233131331121211112   >>