static int runTestCase(int casenum__) {
		switch (casenum__) {
		case 0: {
			String[] swaps = { "1-2", "3-1" };
			int expected__ = 2;

			return verifyCase(casenum__, expected__, new Thimbles().thimbleWithBall(swaps));
		}
		case 1: {
			String[] swaps = { "3-1", "2-3", "3-1", "3-2" };
			int expected__ = 3;

			return verifyCase(casenum__, expected__, new Thimbles().thimbleWithBall(swaps));
		}
		case 2: {
			String[] swaps = { "2-3", "1-3", "2-3", "2-1", "3-1" };
			int expected__ = 3;

			return verifyCase(casenum__, expected__, new Thimbles().thimbleWithBall(swaps));
		}
		case 3: {
			String[] swaps = { "1-2", "3-2", "1-2", "2-1", "2-1", "3-2", "1-3", "3-1", "1-2" };
			int expected__ = 1;

			return verifyCase(casenum__, expected__, new Thimbles().thimbleWithBall(swaps));
		}

		// custom cases

		/*
		 * case 4: {
		 * String[] swaps = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * Thimbles().thimbleWithBall(swaps));
		 * }
		 */
		/*
		 * case 5: {
		 * String[] swaps = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * Thimbles().thimbleWithBall(swaps));
		 * }
		 */
		/*
		 * case 6: {
		 * String[] swaps = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * Thimbles().thimbleWithBall(swaps));
		 * }
		 */
		default:
			return -1;
		}
	}