D1323112331313331313223313231213231323331323331323233313232223221   >>    D132311233131333131322331323121323132333132333132323331323222322   <<    D1323112331313331313223313231213231323331323331323233313232223223   >>      D1323112331313331313223313231213231323331323331323233313232223222   >>