$/**$

$*$ Write the current Sudoku board to a file with the following format:

$*1.$ Write each row of the board into a separate line

$*2.$ Numbers in each line are separated by a space

$*$

$*$ Refer to Chapter $11$ in zyBook about how to write files.

$*$

$*$ @param board The current Sudoku board

$*$ @param fileName The file that needs to be written

$*$ @throws FileNotFoundException

$*/$

public static void saveBoardToFile$($int$[][]$ board, String fileName$)$ throws FileNotFoundException $\{$

$\}$