D33132233232132333132313232321323132313331323113313233313231123311   >>    D3313223323213233313231323232132313231333132311331323331323112331   <<    D33132233232132333132313232321323132313331323113313233313231123313   >>      D33132233232132333132313232321323132313331323113313233313231123312   >>