D121122213233313223313231313123231323132322331313132313231322331   >>    D12112221323331322331323131312323132313232233131313231323132233   <<    D121122213233313223313231313123231323132322331313132313231322333   >>      D121122213233313223313231313123231323132322331313132313231322332   >>