D231123313223313132313233313131323331313233313233313311221112111   >>    D23112331322331313231323331313132333131323331323331331122111211   <<    D231123313223313132313233313131323331313233313233313311221112113   >>      D231123313223313132313233313131323331313233313233313311221112112   >>