With A, ch 40; taking care not to twist ch, join with sl st in first ch to form a ring.
Rnd 1: Ch 1, sc in each ch around; do not join – 40 sc.
Place marker for beginning of rnd. Move marker up as each rnd is worked.
Rnd 2: Sc in each sc around.
Rep Rnd 2 until piece measures 4 in. (10) cm from beg; sl st in next sc and fasten off.
Join B in same st as join.
Rnd 1: Sc in each sc around; do not join.
Rep Rnd 1 until piece measures 14 in. (35.5) cm from beg. Do not fasten off.
Row 1: Ch 1, turn, sc in first 20 sts (for heel); leave remaining sts unworked.
Row 2: Ch 1, turn, sc in first 14 sts; leave remaining sts unworked.
Row 3: Ch 1, turn, sc in first 8 sts; leave remaining sts unworked.
Row 4: Ch 1, turn, sc in each st across, sc in next sc in row below – 9 sc.
Rep Row 4 until all 20 heel sts have been worked. Do not fasten off.
Rnd 1: Ch 1, turn, sc in the 20 sts of heel; sl st in side of heel; sc in next 20 unworked sts of leg; sl st in other side of heel; do not join.
Place marker for beg of rnd. Move marker up as each rnd is completed.
Rnd 2: Sc in next 20 sts, sk next sl st, sc2tog, sc in next 16 sts, sc2tog, sk last sl st –38 sts.
Rnd 3: Sc in each st around.
Rep Rnd 3 until foot measures 4 in. (10) cm measured from end of heel shaping. Do not fasten off.
Remove the beg rnd marker. Flatten Stocking and place a marker in the st at center top and in the st at center bottom of foot.
Toe Spiral: *Sc in each sc to 2 sts before next stitch marker, (sc2tog) twice; rep from * until 8 sts remain; sl st in next sc.
Fasten off leaving a long tail. Weave the tail through last 8 sts and pull tightly together. Fasten off.
Join B with sl st at inside back of Stocking, just below top edge of cuff. Ch 12, sl st in same st as join. Fasten off.
Weave in ends. Fold cuff to right side.