D12121323331322331313232223132313231333132313223313232233131322331   >>    D1212132333132233131323222313231323133313231322331323223313132233   <<    D12121323331322331313232223132313231333132313223313232233131322333   >>      D12121323331322331313232223132313231333132313223313232233131322332   >>