static int runTestCase(int casenum) {
		switch (casenum) {
		case 0: {
			String S = "101101101";
			int expected__ = 3;

			return verifyCase(casenum, expected__, new CuttingBitString().getmin(S));
		}
		case 1: {
			String S = "1111101";
			int expected__ = 1;

			return verifyCase(casenum, expected__, new CuttingBitString().getmin(S));
		}
		case 2: {
			String S = "00000";
			int expected__ = -1;

			return verifyCase(casenum, expected__, new CuttingBitString().getmin(S));
		}
		case 3: {
			String S = "110011011";
			int expected__ = 3;

			return verifyCase(casenum, expected__, new CuttingBitString().getmin(S));
		}
		case 4: {
			String S = "1000101011";
			int expected__ = -1;

			return verifyCase(casenum, expected__, new CuttingBitString().getmin(S));
		}
		case 5: {
			String S = "111011100110101100101110111";
			int expected__ = 5;

			return verifyCase(casenum, expected__, new CuttingBitString().getmin(S));
		}

		// custom cases

		/*
		 * case 6: {
		 * String S = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum, expected__, new
		 * CuttingBitString().getmin(S));
		 * }
		 */
		/*
		 * case 7: {
		 * String S = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum, expected__, new
		 * CuttingBitString().getmin(S));
		 * }
		 */
		/*
		 * case 8: {
		 * String S = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum, expected__, new
		 * CuttingBitString().getmin(S));
		 * }
		 */
		default:
			return -1;
		}
	}