If, among the crimes to be punished as crimes for consolidated punishment, there are crimes committed before this Act comes into effect and crimes committed after it comes into effect, and imprisonment with work or imprisonment without work for a definite term is aggravated for consolidated punishment for those crimes pursuant to the provision of Article 47 of the Penal Code, the provision of Article 14 of the Former Act applies; provided, however, that if the punishment that would be imposed if only those of the crimes committed after this Act comes into effect were punished by applying the provision of Article 14 of the Penal Code as amended by Article 1 would be heavier than the punishment that would be imposed if all of the crimes were punished by applying the provision of Article 14 of the Former Act, the crimes are punished by that heavier punishment.