D231123313223313132322132313132313233313233231323221323132323221   >>    D23112331322331313232213231313231323331323323132322132313232322   <<    D231123313223313132322132313132313233313233231323221323132323223   >>      D231123313223313132322132313132313233313233231323221323132323222   >>