Contextfree - Square Recursion with Pastel Circles

startshape circlepaper
 
rule circlepaper {
    2 * {y 1} {
       2 * {x 1} pastel {}
     }
}
 
rule pastel .2 { 
    CIRCLE{hue 180 sat 1 b 1 a -0.75}
}

rule pastel .2 {
    CIRCLE{hue 0 sat 1 b 1 a -0.75}
}

rule pastel .2 {
    CIRCLE{hue 50 sat 1 b 1 a -0.75}
}

rule pastel .2 {
    CIRCLE{hue 100 sat 1 b 1 a -0.75}
}

rule pastel {
    circlepaper{s .5 y -.25 x -.25 b 0}
}