D33132233232132333132313232321323132313331323113313233313123211   >>    D3313223323213233313231323232132313231333132311331323331312321   <<    D33132233232132333132313232321323132313331323113313233313123213   >>      D33132233232132333132313232321323132313331323113313233313123212   >>