D33132233232132333132313232321323132313331323113313231323221231231   >>    D3313223323213233313231323232132313231333132311331323132322123123   <<    D33132233232132333132313232321323132313331323113313231323221231233   >>      D33132233232132333132313232321323132313331323113313231323221231232   >>