D1212132333132233131323231313231323132213231323223313232213231323132313221   >>    D121213233313223313132323131323132313221323132322331323221323132313231322   <<    D1212132333132233131323231313231323132213231323223313232213231323132313223   >>      D1212132333132233131323231313231323132213231323223313232213231323132313222   >>