```tex
\documentclass[a4paper, 12pt, UTF8]{ctexart}
\usepackage{matnoble-doc-cn}
\usepackage{amsmath...
```tex
\documentclass[a4paper, 12pt, UTF8]{ctexart}
\usepackage{matnoble-doc-cn}
\usepackage{amsmath}
\usepackage{array}
\usepackage{tabulary}
\begin{document}
\[
\left[ {\begin{array}{c:c}
\begin{matrix}
1 & 12 & 3 & 8 \\
14 & 5 & 16 &21\\
7 & 18 & 9 &7 \\
23 & 0 & -1 &8\\
\end{matrix}&
\begin{matrix}
1 & 4 \\
2 & 5 \\
3 & 6 \\
13 & 26 \\
\end{matrix}
\end{array}} \right]
\]
\end{document}
```
**matnoble-doc-cn.sty**
https://pasteme.cn/31800
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