D33132233232132333132313232321323132313331323113313231232322221   >>    D3313223323213233313231323232132313231333132311331323123232222   <<    D33132233232132333132313232321323132313331323113313231232322223   >>      D33132233232132333132313232321323132313331323113313231232322222   >>