D12121323331322331313232223132313231323133313223313123231323211   >>    D1212132333132233131323222313231323132313331322331312323132321   <<    D12121323331322331313232223132313231323133313223313123231323213   >>      D12121323331322331313232223132313231323133313223313123231323212   >>