* Cast on sts over two needles. (This will ensure cast on is not too tight.)
* Cast on stitches are not counted as a row.

Long tail cast on 75 sts.

Work in pattern for 76 rows.

With working yarn, long tail cast on 33 sts over two needles.
(You now have 108 sts), continue knitting row1.

Long tail cast on over two needles, and knit these stitches to complete row 1. (You now have 141 sts.)
Work in pattern for 75 rows.

Next row: Backward loop cast on in each pattern stitch.

Unravel backward loop cast on of row 76 and BO, being careful not to tighten sts.

Sew up indicated position by mattress stitch.