D1212132333132233131323231313231323132213231323223313232213231323132313111   >>    D121213233313223313132323131323132313221323132322331323221323132313231311   <<    D1212132333132233131323231313231323132213231323223313232213231323132313113   >>      D1212132333132233131323231313231323132213231323223313232213231323132313112   >>