startshape AB background {b -1}

rule AB {

30* {y 20 r -12 hue 12} {
  360 * {r -1 hue 1 x 1} AA {hue 999 sat 1 b 1}
}

}

rule AA {

CIRCLE{}
AA { s .97 r 0 y 1 hue 1}

}