D13133313221323331323331323123123233313232233131133132313232211311331   >>    D1313331322132333132333132312312323331323223313113313231323221131133   <<    D13133313221323331323331323123123233313232233131133132313232211311333   >>      D13133313221323331323331323123123233313232233131133132313232211311332   >>