D12121323331322331313232223132313231333132313223313233313111112111   >>    D1212132333132233131323222313231323133313231322331323331311111211   <<    D12121323331322331313232223132313231333132313223313233313111112113   >>      D12121323331322331313232223132313231333132313223313233313111112112   >>