Those tickets are from the neutral allocation. Our official allocation has increased from just over 12,000 to 13,791. The news article has been updated to reflect this:
Tickets for City's first game of the new 2022/23 campaign have now sold out.
www.mancity.com
"The Club has received an allocation of 13,791 tickets located in the South End of the King Power Stadium in Leicester."
Due to the increased allocation, I see SC holders and Cityzens members can buy an extra 2 tickets from 3pm this afternoon