def create_gif(self):
    self.original, self.btSolution = findAnswer(self.sudoku, gif=1)

    for sudoku in self.btSolution:
        time.sleep(0.1)
        self.board.delete("gifNumbers")

        for row in range(9):
            for col in range(9):

                if sudoku[row][col] != 0:
                    x = row * CELL + 0.5 * CELL
                    y = col * CELL + 0.5 * CELL

                    color = "red" if sudoku[row][col] == self.original[row][col] else "black"

                    self.board.create_text(x, y, text=sudoku[row][col], fill=color, tags="gifNumbers")