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Using 3½ mm needles and thumb method cast on
83[89:97:105] 51[57 – 61 – 65] sts.
1st row (rs). K1, *p1, k1, rep from * to end.
2nd row. *P1, k1, rep from * to last st, p1.
These 2 rows form 1×1 rib.
Work 11[11:13:13] rows more in rib.
Next row. P3[6:5:4], p2tog inc in next st purlways,
p1, (p3, p2tog inc in next st purlways,
p1,) 15[15:17:19]
times, p3[6:5:4]. 67[73:79:85] sts.