Cast on 78 sts for back part
44 sts each for both front parts including 6 band sts for button hole.
Decreasing of shoulder shape after 10” Is 3-2-1-1-1. Neck shaping is after 13.5” front piece. Is 13-1-1-1-1.
Back piece shaping after 14.5” is 18 middle sts. Then 1-1-1-1 from both sides. Shoulder sts are 20 on both sides.
Sleeves: cast on 44 sts. After 2” Increased 1 st both sides after 9 rows
Total 14 sts increased. Knit upto 11” Then shaping of shoulder is 3- 2-1-1 -1 till shape is equal to the depth of shouder.