Front and back piece: Worked in the round on circ needle. Cast on 156-160-164 sts on needle size 3.5 mm with blue and work 5 cm Rib. Change to needle size 5 mm and work M.1, at the same time inc 36-44-52 sts evenly on first round = 192-204-216 sts. Continue in M.1. Remember the knitting tension! After M.1 work M.2. After M.2 shift side seam on back piece in order to have the gap between 2 sailors mid front. Now work M.4 (beg by arrow – the new side seam – and work pattern on front piece, beg by arrow again and work pattern on back piece). After M.4 continue in blue and stocking st. At the same time when piece measures 28-29-30 cm divide the piece in 2 and now complete each piece separately.
Front piece: = 96-102-108 sts. When piece measures 49-50-51 cm work M.3 and then M.1, but work both diagrams from top down. At the same time when piece measures 52-53-54 cm (adjust to 1 round left of M.3) cast off the middle 28-28-28 sts for neck and dec to shape the neckline on every other row: 2 sts 2 times and 1 st 2 times. Cast off remaining sts when piece measures 58-59-60 cm.
Back piece: = 96-102-108 sts. When piece measures 57-58-59 cm cast off the middle 38-38-38 sts for neck and dec 1 st on neckline on next row. Cast off as described for front piece.
Sleeve: Worked in the round on double pointed needles. Cast on 36-38-40 sts on double pointed needle size 3.5 mm with blue and work 5 cm Rib. Change to needle size 5 mm and work 1 round stocking st, at the same time inc 14-14-12 sts evenly on round = 50-52-52 sts. Continue in M.1, M.2, M.4 (make sure to place a pattern repeat mid upper sleeve) and then complete piece in blue. At the same time after the Rib inc 2 sts mid under arm on every 3rd and 4th round alternately a total of 26-26-26 times = 102-104-104 sts. When piece measures 48-46-45 cm cast off 10 sts mid under arm and complete piece back and forth on needle. Cast off each side to shape the sleeve cap on every other row: 6 sts 3 times. Cast off, piece measures approx 51-49-48 cm.
Assembly: Sew shoulder seams. Pick up 100 sts round neckline on double pointed needles size 3.5 mm with light blue and work 2.5 cm stocking st, change to blue, work 1 round stocking st, P 1 round, 2.5 cm stocking st. Cast off and fold neckline double towards WS and fasten. Set in sleeves.