D2233131131133132313223313113313123233313231323132233132322233111   >>    D223313113113313231322331311331312323331323132313223313232223311   <<    D2233131131133132313223313113313123233313231323132233132322233113   >>      D2233131131133132313223313113313123233313231323132233132322233112   >>