D121213233313133313123132313231323221323132322331322331313232212111   >>    D12121323331313331312313231323132322132313232233132233131323221211   <<    D121213233313133313123132313231323221323132322331322331313232212113   >>      D121213233313133313123132313231323221323132322331322331313232212112   >>