public String getNumericToAlfa(int numeric){
        switch(numeric){
            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";
            case(7):
                return "H";
            default:
                return "X";
        }
    }