D121212121213132333131232313232233131323223313231322331323132331123111   >>    D12121212121313233313123231323223313132322331323132233132313233112311   <<    D121212121213132333131232313232233131323223313231322331323132331123113   >>      D121212121213132333131232313232233131323223313231322331323132331123112   >>