如何调整 avery5371 抽认卡，使其适合 1 页 4 张而不是 1 页 10 张？

Question

\documentclass[avery5371,grid]{flashcards}

\cardfrontstyle[\large\slshape]{headings}
\cardbackstyle{empty}
\cardfrontfoot{Behavioral Finance} % footer in bottom right

\usepackage{amssymb}
\usepackage{amsmath}
\usepackage{datetime}

% Custom colours 
\usepackage{xcolor}
\providecommand{\red}[1]{{\color{red} #1}}
\providecommand{\gray}[1]{{\color{gray} #1}}

\begin{document}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\begin{flashcard}
[
    Lecture 3
]
{
    What was week 1-2 about
}
\vspace*{\stretch{1}}
\begin{center}
    Deviations from the standard assumptions at the level of the individual.
    Nonstandard preferences and nonstandard belief. 
\end{center}
\vspace*{\stretch{1}}
\end{flashcard}

\end{document}

我非常喜欢 avery5371 LaTeX 抽认卡，但它们是 10 张 1 页。当我打印出来并剪下来时，它们对我来说太小了。有什么方法可以将它们变成 4 张 1 页抽认卡（横向模式），而不是 10 张 1 页抽认卡？