D331322332321323331323132323213231323133313231133132313232212121   >>    D33132233232132333132313232321323132313331323113313231323221212   <<    D331322332321323331323132323213231323133313231133132313232212123   >>      D331322332321323331323132323213231323133313231133132313232212122   >>