From: Shuhao Zhang <594422141@qq.com>
Date: Tue, 20 Aug 2019 11:36:26 +0000 (+0800)
Subject: Merge pull request #1579 from Wajov/patch-2
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=3b6773e0589217c430418ab88ee62f41e6f0731d;p=oi-wiki%2Fmain.git

Merge pull request #1579 from Wajov/patch-2

bug fixed in permutation-group.md
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3b6773e0589217c430418ab88ee62f41e6f0731d