static int runTestCase(int casenum__) {
		switch(casenum__) {
		case 0: {
			String room               = "RRRRRR";
			int expected__            = 3;

			return verifyCase(casenum__, expected__, new ColorfulTilesEasy().theMin(room));
		}
		case 1: {
			String room               = "GGGGGGG";
			int expected__            = 3;

			return verifyCase(casenum__, expected__, new ColorfulTilesEasy().theMin(room));
		}
		case 2: {
			String room               = "BBBYYYYYY";
			int expected__            = 4;

			return verifyCase(casenum__, expected__, new ColorfulTilesEasy().theMin(room));
		}
		case 3: {
			String room               = "BRYGYBGRYR";
			int expected__            = 0;

			return verifyCase(casenum__, expected__, new ColorfulTilesEasy().theMin(room));
		}
		case 4: {
			String room               = "RGGBBBRYYB";
			int expected__            = 3;

			return verifyCase(casenum__, expected__, new ColorfulTilesEasy().theMin(room));
		}

		// custom cases

/*      case 5: {
			String room               = ;
			int expected__            = ;

			return verifyCase(casenum__, expected__, new ColorfulTilesEasy().theMin(room));
		}*/
/*      case 6: {
			String room               = ;
			int expected__            = ;

			return verifyCase(casenum__, expected__, new ColorfulTilesEasy().theMin(room));
		}*/
/*      case 7: {
			String room               = ;
			int expected__            = ;

			return verifyCase(casenum__, expected__, new ColorfulTilesEasy().theMin(room));
		}*/
		default:
			return -1;
		}
	}