Watch the line draw itself. Press number keys for presets. Hints for value of change: • Composite numbers that are not factors of 360 will have a “Two balls attached to a hub” apppearance. • Composite numbers that are factors of 360 / have factors of 360 in their factorisation will have an infinite line of balls attached to the hub / a small appearance • Prime numbers will have a tree-like appearance There will be some exceptions to the rule.