this is free code (you can use it as you want)
pause 1500
servo 0,0
servo 1,0
servo 2,0
setpos
servo 2,400
servo 0,200
servo 1,200
servo 2,-400
servo 0,-200
servo 1,-200
goto setpos
pause 1500
servo 0,0
servo 1,0
servo 2,0
setpos
servo 2,400
servo 0,200
servo 1,200
servo 2,-400
servo 0,-200
servo 1,-200
goto setpos