D2233131131133132313223313113313123233313231323132233132313331323221212311   >>    D223313113113313231322331311331312323331323132313223313231333132322121231   <<    D2233131131133132313223313113313123233313231323132233132313331323221212313   >>      D2233131131133132313223313113313123233313231323132233132313331323221212312   >>