Jumping Gens on WoTS

Dont know if this has been reported, but when you send 5 Gens to Witch of the Swamp, they land in one position and when they are finally built, one is in a completely different position.
They land in this position,

http://i.imgur.com/GlucZTz.png

and finish in this position,

http://i.imgur.com/7QQkN92.png

Chick...