# 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