D231123313223313132313233313131323331313233313233313311233132322331   >>    D23112331322331313231323331313132333131323331323331331123313232233   <<    D231123313223313132313233313131323331313233313233313311233132322333   >>      D231123313223313132313233313131323331313233313233313311233132322332   >>