D1212132333131113231323221323123231313231323223313231323331322332311   >>    D121213233313111323132322132312323131323132322331323132333132233231   <<    D1212132333131113231323221323123231313231323223313231323331322332313   >>      D1212132333131113231323221323123231313231323223313231323331322332312   >>