canvas {
    width = 100
    height = 100
}

forall Set A; Set B
where SubSet(A, B) {
    ensure contains(A.icon, B.icon, 5.0)
    A.icon above B.icon
}

forall Set x {
    x.icon = Circle {
        strokeWidth : 0.0
    }
    ensure x.icon.r > 25
}