Did you know what "DDaeng"'s (new BTS song) numbers mean?

13, 18 & 38, this is from the Korean cards Hwa too (화투), called ‘SeoDda (섯다) game’ There are two sets of 1-10 cards. ‘Ddaeng(땡)’ is two cards of same no. The most valuable cards combo is 3+8 38GwangDdaeng & second is 1+3, 1+8.

 Thank you for the explanation Soo Choi https://twitter.com/choi_bts2