D1212132333132233131113231313231333131323223313232223133313231323132231   >>    D121213233313223313111323131323133313132322331323222313331323132313223   <<    D1212132333132233131113231313231333131323223313232223133313231323132233   >>      D1212132333132233131113231313231333131323223313232223133313231323132232   >>