D121212121213132333131232313232233131323223313231322331313231323132312111   >>    D12121212121313233313123231323223313132322331323132233131323132313231211   <<    D121212121213132333131232313232233131323223313231322331313231323132312113   >>      D121212121213132333131232313232233131323223313231322331313231323132312112   >>