D12121323331322331313232223132313231333132313223313231323321233131   >>    D1212132333132233131323222313231323133313231322331323132332123313   <<    D12121323331322331313232223132313231333132313223313231323321233133   >>      D12121323331322331313232223132313231333132313223313231323321233132   >>