Pullover with a beautiful pattern knitted with needles

Legend for schemes:

dash - purl (in knit rows - purl, in purl rows - knit)

knit (in knit rows - knit, in purl rows - purl)

Knit two together through the right side (Insert the needle into the  2nd stitch and the 1st stitch, starting from the second and knit them together.)

Knit two together through the left side (Slip the first stitch as if to knit, knit the 2nd stitch and pull the slipped stitch over it)

 Slip 2 stitches as purl, knit 1 stitch and pull it through the slipped stitches