startshape SS1
rule SS1 { BASE{s 1.3} BARNEY {} FRED {} }
rule BASE { SQUARE {b 0 hue 1 sat .9} SQUARE {s 0.9925 b 1 hue 200 sat 1} }
rule FRED { SQUARE {b 0} SQUARE {s 0.9925 b 1 hue 50 sat .7} FRED {r -3 s 0.98} }
rule BARNEY { SQUARE {b 0} SQUARE {s 0.9925 b 1 hue 0 sat .9} BARNEY {r 1 s 0.98} }