In which situation will Kiyo end up in the same location as where she started?

Kiyo walks 3 steps forward, 9 steps backward, and 3 steps forward.

Kiyo walks 17 steps backward, 20 steps forward, and 2 steps backward.

Kiyo walks 7 steps forward, 10 steps backward, and 3 steps forward.

Kiyo walks 12 steps backward, 16 steps forward, and 8 steps backward.

GIVING BRAINLY