D1212132333132233131323222313231323132313331322331323331311132313111   >>    D121213233313223313132322231323132313231333132233132333131113231311   <<    D1212132333132233131323222313231323132313331322331323331311132313113   >>      D1212132333132233131323222313231323132313331322331323331311132313112   >>