static int runTestCase(int casenum__) {
		switch (casenum__) {
		case 0: {
			int n = 20;
			int expected__ = 3;

			return verifyCase(casenum__, expected__,
					new EggCartons().minCartons(n));
		}
		case 1: {
			int n = 24;
			int expected__ = 3;

			return verifyCase(casenum__, expected__,
					new EggCartons().minCartons(n));
		}
		case 2: {
			int n = 15;
			int expected__ = -1;

			return verifyCase(casenum__, expected__,
					new EggCartons().minCartons(n));
		}
		case 3: {
			int n = 4;
			int expected__ = -1;

			return verifyCase(casenum__, expected__,
					new EggCartons().minCartons(n));
		}

		// custom cases

		/*
		 * case 4: { int n = ; int expected__ = ;
		 * 
		 * return verifyCase(casenum__, expected__, new
		 * EggCartons().minCartons(n)); }
		 */
		/*
		 * case 5: { int n = ; int expected__ = ;
		 * 
		 * return verifyCase(casenum__, expected__, new
		 * EggCartons().minCartons(n)); }
		 */
		/*
		 * case 6: { int n = ; int expected__ = ;
		 * 
		 * return verifyCase(casenum__, expected__, new
		 * EggCartons().minCartons(n)); }
		 */
		default:
			return -1;
		}
	}