D33132233232132333132313232321323132313331323113313233313221211   >>    D3313223323213233313231323232132313231333132311331323331322121   <<    D33132233232132333132313232321323132313331323113313233313221213   >>      D33132233232132333132313232321323132313331323113313233313221212   >>