new_contents: #!/usr/bin/env python
  from greedy import greedy_solution
  from random import randint
  
  def mix(t1, t2, solution):
      # TODO mix 6 elements excluding current ones
  
  def neighbourhood(solution):
      t1,t2 = sample(range(0,len(solution)))
      return mix(t1, t2, solution)
  
subject: update on stabu search