def cats_game(board):
    """Checks if the any of the values in the board list has not been used"""
    if board[0][0] == 1 or board[0][1] == 2 or board[0][2] == 3 or \
            board[1][0] == 4 or board[1][1] == 5 or board[1][2] == 6 or \
            board[2][0] == 7 or board[2][1] == 8 or board[2][2] == 9:
        return False
    else:
        return True