while true do
  redstone.setBundledOutput("left", colors.white)
  sleep(3)
  redstone.setBundledOutput("back", colors.orange)
  redstone.setBundledOutput("left", 0)
  sleep(3)
  redstone.setBundledOutput("right", colors.magenta)
  redstone.setBundledOutput("back", 0)
  sleep(3)
  redstone.setBundledOutput("right", 0)
end