public boolean checkBox(int row, int col) {
		int count = 0;
		for(int k = 1; k < 10; k++) {
			for(int i = row; i < row + 3; i++) {
				for(int j = col; j < col + 3; j++) {
					count = 0;
					if(k == Integer.parseInt(entries[i][j].getText())) {
						count++;
					}
					if(count >= 2) {
						System.out.println("checkBox() returned false at i: " + i + " j: " + j + " with " + entries[i][j].getText());
						return false;
					}
				}
			}
		}
		return true;
	}