Harder r&l grands which end 1/8 off (not squared to a wall).

sdr> /// from PARALLEL RH WAVES
sdr> heads lead right
| 4B>  3G<  1B>  2G<
| 
| 4G>  3B<  1G>  2B<
sdr> swing thru
| 3G>  2G>
| 
| 3B<  2B<
| 
| 4B>  1B>
| 
| 4G<  1G<
sdr> right and left grand
|      1BL       4GQ
| 
| 1G7                 4B`
| 
| 
| 
| 2BQ                 3GL
| 
|      2G`       3B7
sdr> promenade home
|      3Gv  3Bv
| 
| 4B>            2G<
| 
| 4G>            2B<
| 
|      1B^  1G^
sdr> /// from EIGHT CHAIN THRU
sdr> sides promenade half way
| 2B>  3Gv  3Bv  4G<
| 
| 2G>  1B^  1G^  4B<
sdr> heads lead right
| 2B>  3G<  1B>  4G<
| 
| 2G>  3B<  1G>  4B<
sdr> reverse flutterwheel
| 2B>  2G<  1B>  1G<
| 
| 3G>  3B<  4G>  4B<
sdr> wrong way grand
|      4GL       3BQ
| 
| 4B7                 3G`
| 
| 
| 
| 1GQ                 2BL
| 
|      1B`       2G7
sdr> wrong way promenade home
|      3Bv  3Gv
| 
| 4G>            2B<
| 
| 4B>            2G<
| 
|      1G^  1B^
sdr> half sashay
|      3Gv  3Bv
| 
| 4B>            2G<
| 
| 4G>            2B<
| 
|      1B^  1G^
sdr> /exit