VERSION 1
CO 32 sts
1x1 rib for 20 rounds
K 1 round (then change colors)
3x1 rib for 30 rounds
16 sts for heel flap, 14 rows (stockinette)
Pick up 9 on every side
20 rounds foot
K 1 round (then change colors)
Toe: dec every 2nd round 3 times, every round 3 times (4 sts left)

VERSION 2
CO 32 sts
1x1 rib for 30 rounds
K 4 rounds
3x1 rib for 4 rounds (then change colors)
3x1 rib for 26 rounds
16 sts for heel flap, 14 rows (stockinette)
Pick up 10 on every side
17 rounds foot
K 1 round (then change colors)
Toe: dec every 2nd round 3 times, every round 3 times (4 sts left)