public static FieldState countToFieldState(int n){
        switch (n){
            case 0: return FieldState.NONE;
//                    unfoldAround(x, y);
            case 1: return FieldState.ONE;
            case 2: return FieldState.TWO;
            case 3: return FieldState.THREE;
            case 4: return FieldState.FOUR;
            case 5: return FieldState.FIVE;
            case 6: return FieldState.SIX;
            case 7: return FieldState.SEVEN;
            case 8: return FieldState.EIGHT;
            default: throw new IllegalArgumentException();
        }


    }