startshape begin rule begin { malfgrid {} } rule malfgrid 0.02 {} rule malfgrid 10 { CIRCLE {} malfgrid { y .1 r 1 s .999 } } rule malfgrid 10 { CIRCLE {} malfgrid { y .1 r -1 s .999 } } rule malfgrid .2 { CIRCLE {} malfgrid { flip 45 } } rule malfgrid .2 { CIRCLE {} malfgrid { flip -45 b .1 sat 1 hue 1 } }