I went down a size because the smallest size was too big for me.

Cast on 56 sts.

56 sts (28 sts twice)
Round 1: (K2, P2, K2, work 15 sts as given for 1st round of cable panel, k2, P2, K2, P1) twice

Heel Flap
Row 1: K2, (Sl1, P1) until you have 26 stitches on your needle, Sl1, K1, turn. 28 sts.
Repeat rows 2 and 3 until heel measures 5 cm long.

Turn Heel
Row 1: Sl1, P15, P2tog, P1, turn.

Shape Gusset
Repeat rounds 2 and 3 to shape the gusset until there are 56 stitches on the needle.

Toes
Round 1: K1, SSK, K22 sts, K2tog, K1, place marker, K1, SSK, K22 sts, K2tog, K1. 52 sts.
Repeat rounds 2 and 3 until you have 24 stitches left…