D121213233313133313123132313232233131323223313232213123231323132313231323211   >>    D12121323331313331312313231323223313132322331323221312323132313231323132321   <<    D121213233313133313123132313232233131323223313232213123231323132313231323213   >>      D121213233313133313123132313232233131323223313232213123231323132313231323212   >>