D33132233232132333132313232321323132313331323113313232213112111   >>    D3313223323213233313231323232132313231333132311331323221311211   <<    D33132233232132333132313232321323132313331323113313232213112113   >>      D33132233232132333132313232321323132313331323113313232213112112   >>