Need help with this instruction:K21 STs, slip center 2 STs to a stitch holder for a front neck, join a second ball of yarn and work to end of row -21 each side. ( THIS I UNDERSTOOD). working both sides at same time with separate balls of yarn shape armholes same as for back.
AT THE SAME TIME decrease 1st each Neck edge every other row 1 times , then every 4th row 5 times -9 stitches each side.
My question is after dropping two stitches on neck holder in that row . What should I do next n row and after that? I can’t understand decrease 1st neck edge instruction