From b8734e91998cad8702dbfdd19bc027ad3134cc64 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=BD=90=E5=A4=A9=E4=B9=90?= <1203916838@qq.com>
Date: Sun, 15 Aug 2021 07:54:06 +0000
Subject: [PATCH] add 9.

---
 9 | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 9

diff --git a/9 b/9
new file mode 100644
index 0000000..e69de29
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