def get_board(self) -> Board:
     output = Board()
     output.fill_matrix_from_string("000000000072195348198342567859761423426853791713924856961537284287419635345286179")
     return output
 def get_board(self) -> Board:
     output = Board()
     output.fill_matrix_from_string("000000000000000000000000000000000000000000000000000000000000000000000000000000000")
     return output
 def get_board(self) -> Board:
     output = Board()
     output.fill_matrix_from_string("000260701680070090190004500820100040004602900050003028009300074040050036703018000")
     return output