https://www.ravelry.com/discuss/lazy-stupid-and-godless/3718985/401-425#405
Rows 21-32 are mirrored from rows 1-12.
Made the missing even rows into purl all.
Edited row 1 to drop the last k1 to fix the stitch count.
Added n times to rows 5 & 7 to balance the repeats.
Shown with a cast-on count of 40 stitches.