D223313113113313231322331311331312323331323132313223313231333132333132322311221   >>    D22331311311331323132233131133131232333132313231322331323133313233313232231122   <<    D223313113113313231322331311331312323331323132313223313231333132333132322311223   >>      D223313113113313231322331311331312323331323132313223313231333132333132322311222   >>