1-8
: 1s turn RH, cast (2s step up), 1s turn 3/4 RH to finish 1M between 3s
  all facing up, 1L between 2s all facing down. Lines of 3 set
9-12
: 1/2 reels of 3 across (1s pass 1st crnr RSh) 1s end BtoB in middle (1M
  facing down, 1L facing up)
13-16
: All set as in Double Triangles, 1s petronella turn to 2nd place own
  sides as 2s+3s continue to set (2) 1 (3)
17-20
: 1/2 reel of 3 on sides (1s pass 4th crnr pstn RSh)  1s end BtoB in 2nd
  place facing own sides
21-24
: All set as in Double Triangles, 1s petronella turn to lines across
  (1M+3s at top, 1L+2s in 3rd place)
25-32
: 1M+3s & 1L+2s Set+Link for 3. All set, 1s cross RH to 2nd place own
  side.  3 1 2