Tetris

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Across
  1. 2. BLACKPINK
  2. 3. Arcade
  3. 4. How many 6-digit numbers
  4. 5. Lines
  5. 10. Taehyung hungry
  6. 11. Non-negative integer solutions (W,X,Y,Z)
  7. 12. CHOCOLATE
  8. 13. Balloon
  9. 15. Sum of all possible 4-digit numbers
  10. 16. Namjoon
  11. 17. COMMEMORATION
  12. 18. Royal ball
  13. 19. Factors of 1,215,000 that are odd numbers
Down
  1. 1. JEON JEONGGUK
  2. 4. Student Council
  3. 6. CHANEL
  4. 7. Miso
  5. 8. Suho & Jugyeong
  6. 9. Dalmi, Yongsan, Chulsan, Dosan, Saha
  7. 13. Jipyeong
  8. 14. Saeroyi
  9. 15. Juice