Lane Allocation Schemes
Normal Racing Conditions - 2 semi-finals

Normal Racing Conditions - 3 semi-finals

Adverse Racing Conditions (best conditions in Lane 1) - 2 semi-finals
If the best conditions are in Lane 6, then reverse the lane order.

Adverse Racing Conditions (best conditions in Lane 1) - 3 semi-finals
If the best conditions are in Lane 6, then reverse the lane order.