Adjust repeat of row 1 to suit gauge. Gauge as written is for 10 rows, 10 st in 10x10cm. Work rows 1-13 then separately work 1-13 again. Work row 14, then with ws of work facing on working piece, and rs of work facing on second piece, combine both pieces on 1 circular needle with all 60 stitches. Continue working in rows.
Shown with a cast-on count of 29 stitches.