new_contents: # -*- coding: utf-8 -*-
  """Minimal game of knight implementation."""
  
  from random import randint
  
  
  def __run_pass(knights):
      print(knights)
      if len(knights) == 1:
          return
      knights[1] = (knights[1][0] - knights[0][1], knights[1][1], knights[1][2])
      __run_pass([k for k in knights[1:] + [knights[0]] if k[0] > 0])
  
  
  if __name__ == '__main__':
      __run_pass([(randint(10, 30), randint(5, 10), r) for r in range(5)])
  
subject: Add gon