public static BigSmall valueOf(int i) {
		switch (i) {
			case 1:
				return SMALL;
			case 2:
				return SMALL;
			case 3:
				return SMALL;

			case 4:
				return MEDIUM;
			case 5:
				return MEDIUM;
			case 6:
				return MEDIUM;

			case 7:
				return BIG;
			case 8:
				return BIG;
			case 9:
				return BIG;

			default:
				return null;
		}
	}