D13133313221323331323331323123123233313232233131133132333132333132323112331   >>    D1313331322132333132333132312312323331323223313113313233313233313232311233   <<    D13133313221323331323331323123123233313232233131133132333132333132323112333   >>      D13133313221323331323331323123123233313232233131133132333132333132323112332   >>