First, you need to prepare different colors of wool and crochet.

crochet 3 jujube-shaped needles with medium and long needles from 2cm upside down, lock one needle, and repeat crochet for 5 groups.

2.3 stitches combined with one stitch (continuously crochet three unfinished jujube needles at the top of three jujube needles, pass through the loop together and lock one stitch) and repeat 5 times

3.2 stitches combined with one stitch (crochet two unfinished jujube needles at the top of two jujube needles, pass through the loop together and lock one stitch) and repeat 3 groups

4.3 stitches combined with one stitch (at three jujube needles)