STITCH GUIDE BACK
Using 2.75mm needles, cast on 54 (60, 68, 74, 78, 82) sts. Work 7 rows garter st (1st row is wrong side).
Change to 3.25mm needles. Work in stocking st, beg with a knit row, until Back measures 12 (14, 16, 19, 20, 23) cm from beg, ending with a purl row.
Shape Armholes
Cast off 2 (2, 3, 4, 4, 5) sts at beg of next 2 rows. 50 (56, 62, 66, 70, 72) sts.
Next Row: K3, sl 1, K1, psso, knit to last 5 sts, K2tog, K3. Dec one st (as before) at each end of every foll alt row twice. 44 (50, 56, 60, 64, 66) sts.
Work 21 (25, 29, 33, 35, 35) rows.
Shape Back Neck Next Row: K13 (15, 17, 19, 21, 21), cast off next 18 (20, 22, 22, 22, 24) sts loosely, knit to end.
Cont on last 13 (15, 17, 19, 21, 21) sts for left side of back neck. Dec one st at neck edge in next 4 rows.