Consecutive timeout after injury

[BktBallRef]

5-8-3b
Time-out occurs and the clock, if running, shall be stopped when an official:
Grants a player's/head coach's oral or visual request for a time-out, such request being granted only when:
The ball is dead, unless replacement of a disqualified, or injured player(s), or a player directed to leave the game is pending, and a substitute(s) is available and required.

Summary
A timeout cannot be awarded until the player is replaced.

3-3-5
A player who has been injured to the extent that the coach or any other bench personnel is beckoned and/or comes onto the court shall be directed to leave the game, unless a time-out is requested by, and granted to, his/her team and the situation can be corrected by the end of the time-out.

Summary
Team A can use a TO before replacing the injured player. The player does not have to be substituted for if HIS team requests a TO and he is ready to play when the TO is over.

Combine the two rules and we see that Team A can be granted a TO before A1 has been replaced but Team B cannot.