| #19804 | Mice and MazeSWERC 2001 | |
| #19805 | Multiple Morse MatchesSWERC 2001 | |
| #19806 | Maya CalendarSWERC 2001 | |
| #19807 | Water ShortageSWERC 2001 | |
| #19808 | PuzzleSWERC 2001 | |
| #19809 | Reliable ProgramsSWERC 2001 | |
| #19810 | Binary Stirling NumbersSWERC 2001 | |
| #19811 | Project File DependenciesSWERC 2001 | |
| #19812 | No ChangeSWERC 2001 | |
| #19813 | SolitaireSWERC 2002 | |
| #19814 | Left LabyrinthsSWERC 2002 | |
| #19815 | Crazy SearchSWERC 2002 | |
| #19816 | IntervalsSWERC 2002 | |
| #19817 | FamilySWERC 2002 | |
| #19818 | TimetableSWERC 2002 | |
| #19819 | Word PuzzlesSWERC 2002 | |
| #19820 | Water Treatment PlantsSWERC 2002 | |
| #19821 | ServersSWERC 2002 | |
| #19822 | Men at WorkSWERC 2003 | |
| #19823 | Square DanceSWERC 2003 | |
| #19824 | FootballSWERC 2003 | |
| #19825 | Rent Your Airplane and Make MoneySWERC 2003 | |
| #19826 | Who's Next?SWERC 2003 | |
| #19827 | ComputerSWERC 2003 | |
| #19828 | Help R2-D2!SWERC 2003 | |
| #19829 | Phony PrimesSWERC 2003 | |
| #19830 | RoofSWERC 2003 | |
| #19831 | Stormy VersaillesSWERC 2004 | |
| #19832 | Charles Frédéric GrosSWERC 2004 | |
| #19833 | Count Wireless LinksSWERC 2004 | |
| #19834 | Fighting the HeatSWERC 2004 | |
| #19835 | Fighting the Heat IISWERC 2004 | |
| #19836 | Find the WallsSWERC 2004 | |
| #19837 | WarSWERC 2004 | |
| #19838 | Now or LaterSWERC 2004 | |
| #19839 | CrimeSWERC 2004 | |
| #19840 | The Mysterious X NetworkSWERC 2005 | |
| #19841 | Bin PackingSWERC 2005 | |
| #19842 | On Storing ClothesSWERC 2005 | |
| #19843 | Buy or BuildSWERC 2005 | |
| #19844 | 4 Values Whose Sum Is 0SWERC 2005 | |
| #19845 | Keep the Customer SatisfiedSWERC 2005 | |
| #19846 | UFO Cubes in RoswellSWERC 2005 | |
| #19847 | Black BoxSWERC 2005 | |
| #19848 | Pixel ShuffleSWERC 2005 | |
| #19849 | Consecutive OnesSWERC 2005 | |
| #19850 | CubesSquaredSWERC 2006 | |
| #19851 | BlindFoldSWERC 2006 | |
| #19852 | X-PlosivesSWERC 2006 | |
| #19853 | Objective: BerlinSWERC 2006 | |
| #19854 | TranscriptSWERC 2006 | |
| #19855 | The Right TipSWERC 2006 | |
| #19856 | Booby TrapsSWERC 2006 | |
| #19857 | Fire LaneSWERC 2006 | |
| #19858 | GapSWERC 2006 | |
| #19859 | BEATBITSWERC 2007 | |
| #19860 | Prester JohnSWERC 2007 | |
| #19861 | RobotruckSWERC 2007 | |
| #19862 | Jumping HeroSWERC 2007 | |
| #19863 | Board GamesSWERC 2007 | |
| #19864 | The Bridges of KolsbergSWERC 2007 | |
| #19865 | The Finest ChefSWERC 2007 | |
| #19866 | IP-TVSWERC 2007 | |
| #19867 | Ladies' ChoiceSWERC 2007 | |
| #19868 | Bring Your Own HorseSWERC 2008 | |
| #19869 | First KnightSWERC 2008 | |
| #19870 | Postal ChargesSWERC 2008 | |
| #19871 | Randomly-priced TicketsSWERC 2008 | |
| #19872 | The GameSWERC 2008 | |
| #19873 | The Merchant GuildSWERC 2008 | |
| #19874 | Toll RoadSWERC 2008 | |
| #19875 | Top SecretSWERC 2008 | |
| #19876 | Transcribed BooksSWERC 2008 | |
| #19877 | WizardsSWERC 2008 | |
| #19878 | Trick or TreatSWERC 2009 | |
| #19879 | Working at the RestaurantSWERC 2009 | |
| #19880 | LightsSWERC 2009 | |
| #19881 | DartsSWERC 2009 | |
| #19882 | GeneticsSWERC 2009 | |
| #19883 | Haunted GraveyardSWERC 2009 | |
| #19884 | SlalomSWERC 2009 | |
| #19885 | RoutingSWERC 2009 | |
| #19886 | Happy TelephonesSWERC 2009 | |
| #19887 | Stammering AliensSWERC 2009 | |
| #19888 | Lawn mowerSWERC 2010 | |
| #19889 | Periodic pointsSWERC 2010 | |
| #19890 | Comparing answersSWERC 2010 | |
| #19891 | Fake scoreboardSWERC 2010 | |
| #19892 | Palindromic DNASWERC 2010 | |
| #19893 | Jumping monkeySWERC 2010 | |
| #19894 | Sensor networkSWERC 2010 | |
| #19895 | Assembly lineSWERC 2010 | |
| #19896 | Locks and keysSWERC 2010 | |
| #19897 | 3-sided diceSWERC 2010 | |
| #19898 | Alphabet SoupSWERC 2011 | |
| #19899 | Coin CollectingSWERC 2011 | |
| #19900 | Cybercrime Donut InvestigationSWERC 2011 | |