D13231123313133313223313132233131323221323132313132333132313233313113313232311   >>    D1323112331313331322331313223313132322132313231313233313231323331311331323231   <<    D13231123313133313223313132233131323221323132313132333132313233313113313232313   >>      D13231123313133313223313132233131323221323132313132333132313233313113313232312   >>