Last pair! :)

Cast on 56, 2x2 rib 8 rounds.
In 2 rounds, cable ribs to 4x4, then cable the k4 sections every 6 rounds.
After 5 stripes total, work 1st two rounds of cable on front only (4x4 on back), then work heel.
Work foot, decreasing for gussets as you go, to 48 rounds (approx. 2 rounds into the red stripe), then decrease toe to 8+8.