Row 1: P20, p2tog. p1, turn.
Row 2: Sl1, k8 ssk, turn.
Row 3: Sl1, p8, p2tog, turn
Repeat rows 2 & 3 until all stitches are used up.
End working row 2. 10 sts remain.
Rounds now start at the center of the sole of the foot. Divide heel sts, so that there are 5 sts on each needle.