Deda, since you are professionally qualified, and since it is over thirty years since I studied Latin, could you settle an argument regarding the opening line of Caesar's Gallic Wars ?

I always thought the line was "Omnis Gallia in tres partes divisa est", but I have seen it written as "Gallia est omnis divisa in partes tres" which doesn't sound right to me.

Could you give an authoritative adjudication ?