1–
: Mirror reels of 3 on opp sides
9–
: 1c down the middle and up to 1st corners (2c up on 11–12)
17–20
: 1c+1st corners pass and turn (1c quick RH turn to 4th corner at end)
21–24
: 1c+4th corners pass and turn [to 213]
25–
: Circle6