local time = 2
while(true) do
    redstone.setBundledOutput("back", colors.purple+colors.blue+colors.white+colors.orange+colors.magenta+colors.brown+colors.red+colors.gray+colors.pink+colors.lime+colors.yellow)
    sleep(time)
	redstone.setBundledOutput("back", colors.purple+colors.cyan+colors.white+colors.orange+colors.magenta+colors.brown+colors.red+colors.gray+colors.pink+colors.black+colors.yellow)
    sleep(time)
	redstone.setBundledOutput("back", colors.purple+colors.cyan+colors.white+colors.orange+colors.magenta+colors.blue+colors.red+colors.gray+colors.pink+colors.black+colors.yellow+colors.lime)
	sleep(time)
	redstone.setBundledOutput("back", colors.purple+colors.cyan+colors.white+colors.orange+colors.magenta+colors.blue+colors.red+colors.brown+colors.black+colors.yellow)
	sleep(time)
end