private String stringMe(int xValue) {

		int zahl = xValue;
		switch (zahl) {
		case 1:
			return "a";
		case 2:
			return  "b";
		case 3:
			return  "c";
		case 4:
			return  "d";
		case 5:
			return  "e";
		case 6:
			return  "f";
		case 7:
			return  "g";
		case 8:
			return  "h";
		default:
			return null;

		}

	}