D121212121213132333131232313232233131323223313231322331323331323133313233212331   >>    D12121212121313233313123231323223313132322331323132233132333132313331323321233   <<    D121212121213132333131232313232233131323223313231322331323331323133313233212333   >>      D121212121213132333131232313232233131323223313231322331323331323133313233212332   >>