cast on 48 stst (long tail)
yarn in pattern has 36 m = 10 cm ; yarn used has 24 m = 10 cm

20 rounds ribbing cuff (knit in back)

12 repeats pattern (48 rounds) leg

24 sts heel flap, 24 rounds, flap ends up with 14 sts after turning

12+1 sts pick up

Start of gusset after set up is counted as row 3 (so you can count on with the needles in pattern on the instep):

R1pick up round (14 +13+24+13=64 sts)
R2 gusset set up 62 sts
R3 decrease r 60
R4 knit 60
R5 decrease r 58
R6 knit 58
Row 7 decrease r, extra decrease on top of instep 54
Row 8 extra decrease r on gusset 52
R9 decrease r 50
R10 knit 50
R11 decrease r 48
R12 extra decrease r 46
R 13 decrease r 44
R 14 knit 44
R 15 decrease , extra decrease on top of instep 40
R 16 knit 40, rearrange sts into top and bottom of foot. New s.o.r is at beginning of patterned part of foot

Foot: 9 pattern repeats from end of gusset ( 36 rounds)

toe:
R 37 dec 36 sts (18 per needle)
R 38 knit
R 39 knit
R 40 dec 32 (16 per needle)
R 41 knit
R 42 dec 28 (14 per needle)
R 43 knit
R 44 dec 24 (12 per needle)
R 45 dec 20 (10 per needle)