It's entirely up to you how you wear yours... Whatever you find yourself most comfortable with...
I'm right handed and wear my baton on the left, first aid pouch behind that then on the right I have my airwave spare battery pouch at the back, then key holder thing, then cuffs, then CS...
And I've even taken a picture for you because I'm that bored... 
belt.jpg 75.52K
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Mine was set out the same as that, I have now just received my harness!!!

Its sooooo much better now, for one, don't get stuck in office chairs with arm rest that can catch your equipment in and the second is that it has taken a lot of pressure of my back, which was killing me on Wednesday before I got it, Thursday it felt a lot better. I still have my belt on, only have my cs(not keen on having that on my harness too), glove pouch, handcuff key and torch depend what shift I am on.