CLS
SCREEN 12
FOR rot = 0 TO 62.83 STEP .01
CIRCLE (320 + 100 * COS(rot), 240 + 100 * SIN(rot)), rot * 3, 5
CIRCLE (320 + 100 * SIN(rot), 240 + 100 * COS(rot)), (rot * 3), 4

NEXT rot