D33132233232132333132313232321323132313331323111133132313232311231   >>    D3313223323213233313231323232132313231333132311113313231323231123   <<    D33132233232132333132313232321323132313331323111133132313232311233   >>      D33132233232132333132313232321323132313331323111133132313232311232   >>