D12121323331322331313232223132313231333132313223313231232322331   >>    D1212132333132233131323222313231323133313231322331323123232233   <<    D12121323331322331313232223132313231333132313223313231232322333   >>      D12121323331322331313232223132313231333132313223313231232322332   >>