D1212132333132233131323222313231323133313231322331323331313111121   >>    D121213233313223313132322231323132313331323132233132333131311112   <<    D1212132333132233131323222313231323133313231322331323331313111123   >>      D1212132333132233131323222313231323133313231322331323331313111122   >>