8253 3687 3766 7 6467
Remember it sometimes helps to look at the bigger picture.
When you get to the deduced coordinates, you don't need to cross the fence.
Added 21/08/05: This cache was spotted by GA Cacher from Georgia, USA, when his TB The Honeymooners was placed in it on 30/07/05. He asked if it was OK to copy the idea for a cache of his own and I was happy to agree. His version of Beep! Beep! is GCQ0EF.