public static String getColumnString(int column) {
        String strColumn = "unknown";
        switch (column) {
            case COLUMN_A: strColumn = "A"; break;
            case COLUMN_B: strColumn = "B"; break;
            case COLUMN_C: strColumn = "C"; break;
            case COLUMN_D: strColumn = "D"; break;
            case COLUMN_E: strColumn = "E"; break;
            case COLUMN_F: strColumn = "F"; break;
            case COLUMN_G: strColumn = "G"; break;
            case COLUMN_H: strColumn = "H"; break;
        }
        return strColumn;
    }