It may appear in the order of debut, followed by the year of debut. Zd has no number, I'm not sure.
The first generation men's team: hot-1997, back to the crystal boy to answer-1997, myth-1998, my god,
The second generation boys group: TVXQ-2003, SS50 1-2005, Super Junior -2005.
The third generation men's team: BigBang-2007, FTISLAND, SHINEE, 2 pm, 2 am, Beast, Okies, etc.
Followed by infinity -20 10, boyfriend -20 1 1, BAP, Teentop, EXO-20 12.
I have probably written a little, but there are still many things I don't understand.