Oh the first KNB is countered on the next row which is purl and adds one on. Sorry I didnt think about that.
The rows that are repeated are
Row2: kfb (knit to 1 st before marker, kfb,sl marker, kfb) twice, knit to end
Row 3: PFB, purl to end
repeat row 2-3 17 times.
Which should create this:
but I seem to create this only on one side.
I am tearing my hair out! even had the boyfriend watch me do it with the instructions! EEp!
it should look like this after all the work: