D12121323331322331313232223132313231333132313223313231311331323311111   >>    D1212132333132233131323222313231323133313231322331323131133132331111   <<    D12121323331322331313232223132313231333132313223313231311331323311113   >>      D12121323331322331313232223132313231333132313223313231311331323311112   >>