```ruby
module Helios
  class CylonEffect < Effect
    RED = [255,0,0]
    BLACK = [0,0,0]

    def initialize(args = {})
      lights = args.fetch('lights', [1, '..', 25])
      @lights = get_lights(lights)
    end

    def change!
      size = @lights.last
      cylon_lights = Array.new(size, BLACK)
      cylon_lights[0] = RED

      size.times do
        set_lights(cylon_lights)
        cylon_lights.rotate!(-1)
        pause
      end

      size.times do
        cylon_lights.rotate!
        set_lights(cylon_lights)
        pause
      end
    end

    def pause
      sleep 0.1
    end

    def set_light(index, value)
      lights_class[index] = value
    end

    def set_lights(values)
      threads = []
      values.each_with_index do |value, index|
        lights_class[index] = value
      end
      nil
    end
  end
end

```

Remove sleep to speed up effect
user
```ruby
module Helios
  class CylonEffect < Effect
    RED = [255,0,0]
    BLACK = [0,0,0]

    def initialize(args = {})
      lights = args.fetch('lights', [1, '..', 25])
      @lights = get_lights(lights)
    end

    def change!
      size = @lights.last
      cylon_lights = Array.new(size, BLACK)
      cylon_lights[0] = RED

      size.times do
        set_lights(cylon_lights)
        cylon_lights.rotate!(-1)
        pause
      end

      size.times do
        cylon_lights.rotate!
        set_lights(cylon_lights)
        pause
      end
    end

    def pause
    end

    def set_light(index, value)
      lights_class[index] = value
    end

    def set_lights(values)
      threads = []
      values.each_with_index do |value, index|
        lights_class[index] = value
      end
      nil
    end
  end
end

```
assistant