|  START: facing couples |  right pull by ... |  turn in 90° ... |  left pull by ... |  END: back-to-back couples | 
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| START: | END: | |
|  |  | Square Thru 3 | 
|  |  | Square Thru 4 | 
|  |  | Left Square Thru 4: same as square thru, except start with left pull by and alternate accordingly |