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							- import numpy as np
 
- class Board:
 
-     _board: np.ndarray
 
-     def __init__(self, size):
 
-         self.size = size
 
-         self._board = np.zeros((self.size, self.size))
 
-     def set_initial(self, new_board):
 
-         self._board = np.array(new_board)
 
-     def solve(self):
 
-         return [self._board.tolist()]
 
 
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