D33132233232132333132313232321323132313331323113313231232313232211331   >>    D3313223323213233313231323232132313231333132311331323123231323221133   <<    D33132233232132333132313232321323132313331323113313231232313232211333   >>      D33132233232132333132313232321323132313331323113313231232313232211332   >>