Long Sweater with Pattern combination

How to knit the long sweater with pattern combination:
Sizes: US 6–8 (UK 10–12) and US 10–12 (UK 14–16).
Materials:
550 (650) g yarn (100% cotton, 120 m/50 g ≈ 131 yd/1.76 oz); straight and circular knitting needles 3.5 mm (US 4).
Garter stitch: on right-side and wrong-side rows work knit stitches; when working in the round, alternate 1 round knit stitches and 1 round purl stitches.
Zigzag pattern and textured pattern: number of stitches is a multiple of 12 + 9 + 2 edge stitches.
Work according to chart 1. The chart shows only right-side rows.
On wrong-side rows, work the stitches as they appear, purl the yarn overs.
Attention!
Row 1 is a wrong-side row.
Working across the row, begin with 1 edge stitch, work the stitches before the repeat, repeat the pattern repeat throughout, end with the stitches after the repeat and 1 edge stitch.
Working vertically, work rows 1 to 31 once (zigzag pattern), then continuously repeat rows 32 to 43 (textured pattern).
Pattern A: number of stitches is a multiple of 15 stitches.
Work according to chart 2. The chart shows only right-side rows.
On wrong-side rows, work the stitches as they appear, purl the yarn overs.
Repeat rows 1 to 26.
Pattern B: number of stitches is a multiple of 15.
Work as pattern A, but according to chart 3.
Pattern C: number of stitches is a multiple of 30.
Work as pattern A, but according to chart 4.
On wrong-side rows, work the stitches as they appear or as indicated; work twisted knit stitches as twisted purl stitches.
Repeat rows 1 to 32.
Pattern D: number of stitches is a multiple of 30.
Work as pattern C, but according to chart 5.
Gauge: 23.5 stitches and 34 rows = 10 x 10 cm (4 x 4 inches).

Back:
Cast on 131 (143) stitches and work in the zigzag pattern and textured pattern.
After row 43 from the beginning of work (last row is a wrong-side row), continue as follows: 1 edge stitch, 20 (26) stitches in the textured pattern, 15 stitches in pattern A, 30 stitches in pattern C, 30 stitches in pattern D, 15 stitches in pattern B, 20 (26) stitches in the textured pattern, 1 edge stitch.
At the same time, in row 1 increase 1 stitch = 132 (144) stitches.
At 72 cm = 245 rows (28 3/8 inches) from the cast-on edge, bind off the middle 50 stitches for the neckline and finish both sides separately.
For the neckline shaping, bind off in every 2nd row 1 time 2 stitches and 1 time 1 stitch.
At 74 cm in row 251 (29 1/8 inches) from the cast-on edge, bind off the remaining shoulder stitches.
Front:
Work as for the back, but with a deeper neckline.
For this, at 69 cm = 235 rows (27 1/8 inches) from the cast-on edge, bind off the middle 18 stitches for the neckline, then on both sides for the neckline shaping bind off in every 2nd row 1 time 5 stitches, 1 time 3 stitches, 1 time 2 stitches and 3 times 3 stitches.
Bind off the remaining 38 (44) shoulder stitches at the same height as for the back.
Sleeves:
Cast on 67 stitches and work in the zigzag pattern and textured pattern, placing the center of the pattern at the center of the sleeve.
For the sleeve shaping, increase from the beginning on both sides in every 2nd row 8 times 1 stitch and in every 4th row 28 times 1 stitch, working the increased stitches into the pattern = 139 stitches.
At 39 cm = 132 rows (15 3/8 inches) from the cast-on edge, bind off all stitches.
Finishing:
Work the seams, leaving the upper side seams open for 29.5 cm (11 5/8 inches) for the armholes.
For the neckline edging, pick up approximately 110 stitches along the neckline edge with circular needles and work 3 cm (1 1/8 inches) in garter stitch, then bind off the stitches.
Set in the sleeves.