D331322332321323331323132323213231323133313231133132312323132311331   >>    D33132233232132333132313232321323132313331323113313231232313231133   <<    D331322332321323331323132323213231323133313231133132312323132311333   >>      D331322332321323331323132323213231323133313231133132312323132311332   >>