# File default/block_walker.rb, line 36
def task()
     john = BlockWalker.new(2, 2, EAST, 4)

     john.walk_a_side()
     john.put_beeper()
     john.turn_left()
     john.walk_a_side()
     john.put_beeper()
     john.turn_left()
     john.walk_a_side()
     john.put_beeper()
     john.turn_left()
     john.walk_a_side()
     john.put_beeper()
     john.turn_left()
end