Source Code VB

No Declarations
1 Timer, 4 Circles needed
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Private Sub Form_Load()
    Randomize
End Sub

Private Sub Timer1_Timer()
    Shape1.Move Shape1.Left + ScaleWidth * (Rnd - 0.5) / 50, Shape1.Top + ScaleHeight * (Rnd - 0.5) / 50
    Shape2.Move Shape2.Left + ScaleWidth * (Rnd - 0.5) / 50, Shape2.Top + ScaleHeight * (Rnd - 0.5) / 50
    Shape3.Move Shape3.Left + ScaleWidth * (Rnd - 0.5) / 50, Shape3.Top + ScaleHeight * (Rnd - 0.5) / 50
    Shape4.Move Shape4.Left + ScaleWidth * (Rnd - 0.5) / 50, Shape4.Top + ScaleHeight * (Rnd - 0.5) / 50
End Sub