D2233131131133132313223313113313123233313231323132233132313331323331323212221   >>    D223313113113313231322331311331312323331323132313223313231333132333132321222   <<    D2233131131133132313223313113313123233313231323132233132313331323331323212223   >>      D2233131131133132313223313113313123233313231323132233132313331323331323212222   >>