def deserialize(string):
""" Generate a BlankGeometry object from a string representation. """
circle_strs = string.split(BlankGeometry._SERIAL_DELIM)
barcode_bounds = []
for string in circle_strs:
circle = Circle.deserialize(string)
barcode_bounds.append(circle)
geo = BlankGeometry([])
geo._barcode_bounds = barcode_bounds
return geo
