Game 9 was Norwich away (lost 3-2), Game 19 was Sheff Utd at home (lost 1-0). If you extend it to the West Brom game (24) when the calls to sack Nige came to a head, then it was 13 points from 16 games.
25 (Millwall away) to 33 (Hull at home) saw 17 points in 9, then 34 (Cardiff away) to 43 (Sheff Utd away) saw 9 points in 10.
https://en.wikipedia.org/wiki/2022–23_Bristol_City_F.C._season#Results_by_round