D12121323331322331313232223132313231333132313223313132333132312312111   >>    D1212132333132233131323222313231323133313231322331313233313231231211   <<    D12121323331322331313232223132313231333132313223313132333132312312113   >>      D12121323331322331313232223132313231333132313223313132333132312312112   >>