Abbreviations:
R = row
mc = magic circle
ch = chain
sc = single crochet
DC = double crochet
inc = 2 sc in the next stitch
dec = single crochet 2 stitches together
BLO = back loop only
FLO = front loop only
F.o. = finish off
(12) = number of stitches you should have at the end of the round/row
(…) *6 = repeat whatever is between the brackets the number of times stated

Legs (make 2)
With white colour:
R 1: 6 sc in mc (6)
R 2: inc*6 (12)
R 3: (1 sc, inc)*6 (18)
R 4-9: 18 sc (6 rows)

Don’t cut the yarn when you will finish the second leg!

From second leg: 3 ch, join the first leg.
Continue crocheting in the round:

Body
R 10: 18 sc on the first leg, sc in 3 ch, 18 sc on the second leg, sc in 3 ch (opposite side) (42)
R 11: (6 sc, inc)*6 (48)
R 12-15: 48 sc (4 rows)
With sweater colour:
R 16-26: 48 sc (11 rows)
R 27: (14 sc, dec)*3 (45)
R 28-32: 45 sc (5 rows)
R 33: (13 sc, dec)*3 (42)
R 34-43: 42 sc (10 rows)
R 44: (12 sc, dec)*3 (39)
R 45-47: 39 sc (3 rows)
R 48: (11 sc, dec)*3 (36)
R 49: BLO: 36 sc
F.o., leaving a long tail for sewing.

Head
With white colour:
R 1: 6 sc in mc (6)
R 2: inc*6 (12)
R 3: (1 sc, inc)*6 (18)
R 4: 18 sc
R 5: (2 sc, inc)*6 (24)
R 6: 24 sc
R 7: (3 sc, inc)*6 (30)
R 8-9: 30 sc (2 rows)
R 10: (9 sc, inc)*3 (33)
R 11: (10 sc, inc)*3 (36)
R 12-21: 36 sc (10 rows)
F.o.

Arms (make 2)
With white colour:
R 1: 6 sc in mc (6)
R 2: inc*6 (12)
R 3: (3 sc, inc)*3 раза (15)
R 4-5: 15 sc (2 rows)
With sweater colour:
R 6-34: 15 sc (29 rows)
R 35: (3 sc, dec)*3 (12)
Stuff gently.
Fold top of arm flat and sc through both sides across.
F.o., leaving a long tail for sewing.

Сollar
Go to the R 49: FLO: 36 DC
F.o.

Ears (make 2)
With white colour:
R 1: 6 sc in mc (6)
R 2: (1 sc, inc)*3 (9)
R 3: (2 sc, inc)*3 (12)
R 4: (3 sc, inc)*3 (15)
R 5: 15 sc
Fold top of ear flat and sc through both sides across.

Muzzle
With white colour:
Don’t use a marker for R 1-3 (every row will be longer).

Make 5 ch
R 1: From the 2nd ch from hook: 4 sc in next 4 st, inc, inc, 2 sc in next 2 st, inc (10)
R 2: 3 sc in one st, 4 sc in next 4 st, inc, 3 sc in one st, 5 sc in next 5 st, inc (16)
R 3: inc, 7 sc in next 7 st, inc, inc, 7 sc in next 7 st, inc, 1 sc (20)
R 4-5: 20 sc (2 rows)
F.o., leaving a long tail for sewing.