D1212132333132233131113231313231333131323223313232313231323331311331123231   >>    D121213233313223313111323131323133313132322331323231323132333131133112323   <<    D1212132333132233131113231313231333131323223313232313231323331311331123233   >>      D1212132333132233131113231313231333131323223313232313231323331311331123232   >>