Back piece: 13 stitches, 99 stitches at the bottom. At the end of one stitch, add 2.75 to knit 84 rows of plain stitches, then open it, take 5 stitches from both sides, knit 58 rows, then divide the back collar, knit diagonal shoulders, 18 stitches, and withdraw the stitches for 6-6-3 times.

Right front piece: the bottom die of 13 to 5 1 After the pattern is finished, ADD2.75 to weave 84 rows of plain stitches, then open it, take 5 stitches under the armpit, then 2- 1-6, and weave 6 rows of front collar after opening it, 2- 1- 19.

Sleeves: starting from 13 stitches and starting from 57 stitches at the bottom. After the stitch is finished, ADD2.75 to weave 86 rows of plain stitches (after adding 6- 1- 15 on both sides). Sew 5 stitches on both sides of the armpit, and then 2-1-12,2-3-.

Placket: Choose 3 stitches from 4 rows of the same patterns as the bottom cuffs and weave them to the required size. The suture in the last row needs to be wound around the suture twice, and then stitched with the hook of the crochet. Don't forget to button up in the middle.