need help understanding pattern directions

Hello everyone,I am an intermediate crocheter. I am attempting a beautiful sweater by DROPS design. It is pattern 121-33 and these are the particular instructions I don't understand:

Continue with 1 dc in each dc. When piece measures 16-17-18-19-20-21 cm / 6¼''-6¾''-7''-7½''-8''-8¼'' continue as follows: 5 dc on front band, 1-0-2-1-0-2 dc, repeat M.2 until 6-5-7-6-5-7 dc remain, finish with 1-0-2-1-0-2 dc

I don't get the 1-0-2-1-0-2 and the 6-5-7-6-5-7. Please shed some light if possible

thanks so much
robyn gardner