https://mercury.bbspink.com/test/read.cgi/avideo/1551854552/253
https://mercury.bbspink.com/test/read.cgi/avideo/1551854552/316
https://mercury.bbspink.com/test/read.cgi/avideo/1551854552/351
https://mercury.bbspink.com/test/read.cgi/avideo/1551854552/368
https://mercury.bbspink.com/test/read.cgi/avideo/1551854552/370
https://mercury.bbspink.com/test/read.cgi/avideo/1551854552/371
削除理由／詳細：
7． URL表記・リンク