From a Wave (or Inverted Line).
Ends in Back-to-Back Couples.
| From a Right-Hand Wave: 
 | ||||||||||
| From a Left-Hand Wave: 
 | ||||||||||
| From an Inverted Line: 
 | 
Notes:
Explode And anything [Plus]: From a Wave (or Inverted Line). As one movement, Step Thru & 1/4 In. Ends in Facing Couples.
1/4 In | Out [A1] :
 From a Couple or Mini-Wave.  
  Individually turn 1/4 toward (1/4 In) or away from (1/4 Out) your Partner
  (the adjacent dancer).  If you do not have a Partner, turn 1/4 toward or 
  away from the center of the smallest applicable sub-formation you can find.