Answer :
Well theres more than 1 location.. you would have 2 obstacles at 2/6, 4/6, and 6/6. If im Correct
Because Theres
I IO I L IO I IO
1 2 3 Hurdle 4 5 6
The I are the Tires
The L is hurdles
and the O is Cones
Because Theres
I IO I L IO I IO
1 2 3 Hurdle 4 5 6
The I are the Tires
The L is hurdles
and the O is Cones