Shortest path length:7
82-80-27-22-11-7-3-1
82-80-28-22-11-7-3-1
82-80-27-22-11-7-5-1
82-80-28-22-11-7-5-1
82-80-27-22-11-8-5-1
82-80-28-22-11-8-5-1
82-80-27-22-11-9-5-1
82-80-28-22-11-9-5-1
82-80-27-22-11-7-6-1
82-80-28-22-11-7-6-1
82-80-27-22-11-8-6-1
82-80-28-22-11-8-6-1
82-80-27-22-11-9-6-1
82-80-28-22-11-9-6-1
82-80-27-22-11-10-6-1
82-80-28-22-11-10-6-1