Core3 Worked solutions

June 2010
https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B2J1T-insOmpNzhkYzc0MGItNDBkOS00MTI3LThhNjYtOTlkM2VmYzhmMzUw&hl=en

Jan 2010
https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B2J1T-insOmpYjRhNWY3NzEtYTM2Ni00YmVmLTgzYjctYWYwMzYyMjZiZmUx&hl=en

June 2009
https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B2J1T-insOmpMWFjYmFhMmEtZjQ0Yy00ZGE2LThjNGYtMDBjMjdhNmMwNGE2&hl=en

Jan 2009
https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B2J1T-insOmpOTkxY2MyYTctYzNmNC00MzZjLTk1OTQtZDBmZTc4MDA3YTk0&hl=en

June 2008
https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B2J1T-insOmpYTUwNzAzZTQtYjBkYi00ODlhLTgzMDEtMWQ3ZmExZDEyMmE1&hl=en

Jan 2008
https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B2J1T-insOmpMDBmODNkYmItNzI5Yi00Njg1LThjODktMDRmZTAxZWZlNGI3&hl=en

June 2007
https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B2J1T-insOmpYzA3OWY5YjEtNWJiZi00NjkzLTk5YjctY2RiYTY5OTcxNzBl&hl=en

Jan 2007
https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B2J1T-insOmpZWRmZDI0ODktNzJjZi00NWYwLWExNmMtNzJkNjNkNDFiYmIz&hl=en

June 2006
https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B2J1T-insOmpNzQ2YTU5YzktZjMxNC00N2ZjLWIzMDctYjI3ZjcyZjIxYzJk&hl=en