sounds to me like your bidings are mounted core center, or the thickest part of the core. true center is in the middle of the total length, core is usually set beck a bit, and the balancing point for normal skis, so it sounds like yours are at core, not true.
I have the worlds largest collection of seashells. I keep it on all the beaches around the world, perhaps you've seen it!
But really, youre probably not going to get through this whole thing before you realize its my signature, but youre going to keep reading anyway because there might be something funny at the end. Sadly, there isnt.