D33132233232132333132313232321323132313331323113313231323311311   >>    D3313223323213233313231323232132313231333132311331323132331131   <<    D33132233232132333132313232321323132313331323113313231323311313   >>      D33132233232132333132313232321323132313331323113313231323311312   >>