text: from big_muddy_io import BigMuddyIO
  from big_muddy_util import set_and_shift_values
  
  
  def flow_testing():
      print('Flow testing.')
      big_muddy_io = BigMuddyIO.system()
      while True:
          set_and_shift_values(big_muddy_io, [0, 0, 0, 1, 1])
  
  
  