multiple+turtles+fall

To Fall LTURTLES 15 WINDOW TELL ALLTURTLES PU HOME SETXY [300 200] SETSHAPE "TURTLE2 LOCKSHAPE EACH [SETPC 4] SETH 90 EACH [FD RANDOM 400 BK RANDOM 200] SETH 180 EACH [SETVELOCITY RANDOM 20] End

CS command is given to stop the turtles from moving.