static int runTestCase(int casenum__) {
		switch (casenum__) {
		case 0: {
			int n = 7;
			int expected__ = 1;

			return verifyCase(casenum__, expected__, new TheBeauty().find(n));
		}
		case 1: {
			int n = 100;
			int expected__ = 2;

			return verifyCase(casenum__, expected__, new TheBeauty().find(n));
		}
		case 2: {
			int n = 123456789;
			int expected__ = 9;

			return verifyCase(casenum__, expected__, new TheBeauty().find(n));
		}
		case 3: {
			int n = 1000000000;
			int expected__ = 2;

			return verifyCase(casenum__, expected__, new TheBeauty().find(n));
		}
		case 4: {
			int n = 932400154;
			int expected__ = 7;

			return verifyCase(casenum__, expected__, new TheBeauty().find(n));
		}

		// custom cases

		/*
		 * case 5: {
		 * int n = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new TheBeauty().find(n));
		 * }
		 */
		/*
		 * case 6: {
		 * int n = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new TheBeauty().find(n));
		 * }
		 */
		/*
		 * case 7: {
		 * int n = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new TheBeauty().find(n));
		 * }
		 */
		default:
			return -1;
		}
	}