Help working on the pattern sheer elegance

Working from the book Big Knits Big Needles the sheer elegance cardigan. (upload://qG2VKtWZFLQkbEcawLlfkAfEtKU.jpg)

I am on to the back part of the pattern how do I work that when I’m at the end of the row and have to work the “front part” before the yarn is in the correct position???

You can place the front sts on holders while you work the back. Each part is worked separately in order to form the armholes. Once the back is finished, place the sts for one of the fronts on needles, finish, then work the second front.

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