static int runTestCase(int casenum__) {
		switch (casenum__) {
		case 0: {
			String A = "koder";
			String B = "topcoder";
			int expected__ = 1;

			return verifyCase(casenum__, expected__,
					new DifferentStrings().minimize(A, B));
		}
		case 1: {
			String A = "hello";
			String B = "xello";
			int expected__ = 1;

			return verifyCase(casenum__, expected__,
					new DifferentStrings().minimize(A, B));
		}
		case 2: {
			String A = "abc";
			String B = "topabcoder";
			int expected__ = 0;

			return verifyCase(casenum__, expected__,
					new DifferentStrings().minimize(A, B));
		}
		case 3: {
			String A = "adaabc";
			String B = "aababbc";
			int expected__ = 2;

			return verifyCase(casenum__, expected__,
					new DifferentStrings().minimize(A, B));
		}
		case 4: {
			String A = "giorgi";
			String B = "igroig";
			int expected__ = 6;

			return verifyCase(casenum__, expected__,
					new DifferentStrings().minimize(A, B));
		}

		// custom cases

		/*
		 * case 5: { String A = ; String B = ; int expected__ = ;
		 * 
		 * return verifyCase(casenum__, expected__, new
		 * DifferentStrings().minimize(A, B)); }
		 */
		/*
		 * case 6: { String A = ; String B = ; int expected__ = ;
		 * 
		 * return verifyCase(casenum__, expected__, new
		 * DifferentStrings().minimize(A, B)); }
		 */
		/*
		 * case 7: { String A = ; String B = ; int expected__ = ;
		 * 
		 * return verifyCase(casenum__, expected__, new
		 * DifferentStrings().minimize(A, B)); }
		 */
		default:
			return -1;
		}
	}