D11313232233131133131231323132313233313232211221121111331323331323223313131   >>    D1131323223313113313123132313231323331323221122112111133132333132322331313   <<    D11313232233131133131231323132313233313232211221121111331323331323223313133   >>      D11313232233131133131231323132313233313232211221121111331323331323223313132   >>