static public String columnToAction(int column)
    {
        
    	switch (column) {
		case 0:
			return "a";
		case 1:
			return "b";
		case 2:
			return "c";
		case 3:
			return "d";
		case 4:
			return "e";
		case 5:
			return "f";
		case 6:
			return "g";

		default:
			return "x";
		}
    }