D121212121213132333131232313232233131323223313231322331323132231211   >>    D12121212121313233313123231323223313132322331323132233132313223121   <<    D121212121213132333131232313232233131323223313231322331323132231213   >>      D121212121213132333131232313232233131323223313231322331323132231212   >>