2
The "other" 2nd Setter immediately must react and run for that zone (trying to arrive there before the ball) and Sets the ball for the Coach.
After the Set, this 2nd Setter returns back for the initial position changing place with the 1st Setter.
The Coach performs an auto-Set (for himself) and repeats a new attack.
Variants:
Initially - We can have 3 Setters (one behind the other two) and they are changing places with each others, so that there is always one of them "out of action".
High-level - The Coach will not perform any "auto-Set" and attacks the ball sent by the 2nd Setter directly.
