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With Sailor, beginning at the seam, on the RS, PU and k 54 sts around CO edge of body, beginning at the seam, omitting the selvedge sts, and join to work in the round.

Round 2: K marked st, k2tog, *k to 2 sts before marked st, ssk, k marked st, k2tog, rep from * 2 times more, k to 2 sts before end of round, ssk. (46 sts)
Round 3: K all sts.
Repeat rounds 2 and 3 one time more, then work round 2 one time more. (30 sts)