basic structure
load points from file
initial find-moves
initial optimisation function (nasty)
working starting point.
(right answer. v. poor performance)

CL-USER> (time (test-optimise))
starting distance = 2842782.6950
optimised distance = 340852.9544
Evaluation took:
  124.995 seconds of real time
  126.316000 seconds of total run time (125.716000 user, 0.600000
system)
  [ Run times consist of 9.892 seconds GC time, and 116.424 seconds
non-GC time. ]
  101.06% CPU
  15 lambdas converted
  387,940,514,140 processor cycles
  93,147,189,568 bytes consed