to
Converts the provided Sudoku puzzle string into a 2D integer array representation. This method utilizes a SudokuParser object internally to handle the parsing and conversion process.
Return
A 2D array of integers representing the parsed Sudoku puzzle.
Parameters
sudoku
The sudoku type of the Sudoku puzzle (e.g., 4x4, 9x9).
Throws
if the provided Sudoku puzzle string is invalid.