2013
https://web.archive.org/web/20160319210438/http://blog.livedoor.jp/twode_perf/archives/50216972.html
2014
https://web.archive.org/web/20170606224622/http://blog.livedoor.jp/twode_perf/archives/50190534.html
2015
https://web.archive.org/web/20170202001729/http://blog.livedoor.jp/twode_perf/archives/56054945.html
2016
https://web.archive.org/web/20170328080145/http://blog.livedoor.jp/twode_perf/archives/69576386.html