過去スレは以下の通りなので、このスレは実質2.1
http://mastiff.2ch.net/test/read.cgi/akb/1449016642/　12(実質2)
http://mastiff.2ch.net/test/read.cgi/akb/1444380789/　11(実質1.11)
http://mastiff.2ch.net/test/read.cgi/akb/1443099263/　11(実質1.10)
http://mastiff.2ch.net/test/read.cgi/akb/1433983402/　10(実質1.9)
http://mastiff.2ch.net/test/read.cgi/akb/1425520176/　 9(実質1.8)
http://mastiff.2ch.net/test/read.cgi/akb/1419924677/　 8(実質1.7)
http://mastiff.2ch.net/test/read.cgi/akb/1417400019/　 7(実質1.6)
http://mastiff.2ch.net/test/read.cgi/akb/1414470960/　 1.5
http://mastiff.2ch.net/test/read.cgi/akb/1413513443/　 5(実質1.4)
http://mastiff.2ch.net/test/read.cgi/akb/1412649792/　 4(実質1.3)
http://mastiff.2ch.net/test/read.cgi/akb/1411613666/　 3(実質1.2)
http://mastiff.2ch.net/test/read.cgi/akb/1410921181/　 2(実質1.1)
http://mastiff.2ch.net/test/read.cgi/akb/1409405764/　 1