repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change repetition is a form of change