public static String getRowString(int row) {
        String strRow = "unknown";
        switch (row) {
            case ROW_1: strRow = "1"; break;
            case ROW_2: strRow = "2"; break;
            case ROW_3: strRow = "3"; break;
            case ROW_4: strRow = "4"; break;
            case ROW_5: strRow = "5"; break;
            case ROW_6: strRow = "6"; break;
            case ROW_7: strRow = "7"; break;
            case ROW_8: strRow = "8"; break;
        }
        return strRow;
    }