Cast on 3 sts.
Row 1: K1, pm, k1, pm, k1. Row 2 (and all even rows): Knit. Row 3: K1, m1, sm, k1, sm, m1, k1—5 sts.
Row 5: K1, m1, knit to marker, m1, sm, k1, sm, m1, knit to last st, m1, k1—9 sts. Row 7: Rep row 5—13 sts.
Row 9: Knit to marker, m1, sm, k1, sm, m1, knit to end—15 sts.
Rep rows 8-9 eight times—31 sts. Next 9 rows: Knit. Next row: Knit to 2 sts bef marker, k2tog, sm, k1, sm, ssk, knit to end—29 sts.
Rep the last 2 rows until there are 5 sts left on the needle. Next row: Knit. Next row: K2tog, remove marker, k1, remove marker, ssk—3 sts.
Next row: Knit. Next row: K2tog, k1—2 sts. Bind off.