---
layout: post
title: "O記"
date: 2019-07-21 17:55:00 +0100
---
![ocb.jpg][img0]  
[(Signature)][sig0]

[img0]: /blog/images/2019-07-21-ocb.0.jpg
[sig0]: /blog/sig/2019-07-21-ocb.0.jpg.sig