Tests of mainstream calls 52-62.

sdr> /program = Program.MAINSTREAM
MAINSTREAM
sdr> four ladies chain
|      1Gv  3Bv
| 
| 4B>            4G<
| 
| 2G>            2B<
| 
|      1B^  3G^
sdr> heads lead right while the sides trade
| 2G<  1G<  1B>  2B>
| 
| 4B<  3B<  3G>  4G>
sdr> cloverleaf
| 1Gv  1Bv
| 
| 2Gv  2Bv
| 
| 4B^  4G^
| 
| 3B^  3G^
sdr> centers turn thru
| 1Gv  1Bv
| 
| 2G^  2B^
| 
| 4Bv  4Gv
| 
| 3B^  3G^
sdr> eight chain thru
| 1Gv  1Bv
| 
| 2G^  2B^
| 
| 4Bv  4Gv
| 
| 3B^  3G^
sdr> eight chain 4
| 3Gv  3Bv
| 
| 4G^  4B^
| 
| 2Bv  2Gv
| 
| 1B^  1G^
sdr> pass to the center
| 4Bv  4Gv
| 
| 3Gv  3Bv
| 
| 1B^  1G^
| 
| 2G^  2B^
sdr> face right
| 4B<  4G<
| 
| 3G<  3B<
| 
| 1B>  1G>
| 
| 2G>  2B>
sdr> couples hinge
| 4Bv  3Gv  1B^  2G^  4Gv  3Bv  1G^  2B^
sdr> girls run
| 3G^  4Bv  2Gv  1B^  3Bv  4G^  2B^  1Gv
sdr> hinge
| 3G>  1B<  4G<  2B>
| 
| 4B<  2G>  3B>  1G<
sdr> centers girls run
| 3G>  2G<  3B>  2B>
| 
| 4B<  1B<  4G>  1G<
sdr> put centers in
| 3G>  2B>
| 
| 2G<  3B>
| 
| 1B<  4G>
| 
| 4B<  1G<
sdr> cast off 3/4
| 3G^  2Gv  3Bv  2Bv
| 
| 4B^  1B^  4G^  1Gv
sdr> head boys u-turn back
| 3G^  2Gv  3B^  2Bv
| 
| 4B^  1Bv  4G^  1Gv
sdr> spin the top
| 2G>
| 
| 3G<
| 
| 2B>
| 
| 3B<
| 
| 1B>
| 
| 4B<
| 
| 1G>
| 
| 4G<
sdr> centers run
| 3G>
| 
| 2G>
| 
| 3B<
| 
| 2B<
| 
| 4B>
| 
| 1B>
| 
| 4G<
| 
| 1G<
sdr> bend the line
| 2Gv  3Gv
| 
| 2B^  3B^
| 
| 1Bv  4Bv
| 
| 1G^  4G^
sdr> spin the top twice
| 3G^  3Bv  2G^  2Bv
| 
| 4B^  4Gv  1B^  1Gv
sdr> boys walk girls dodge
| 4B^  3G^  1B^  2G^
| 
| 4Gv  3Bv  1Gv  2Bv
sdr> trade
| 3Gv  4Bv  2Gv  1Bv
| 
| 3B^  4G^  2B^  1G^
sdr> step to a wave
| 3B^  3Gv  4G^  4Bv  2B^  2Gv  1G^  1Bv
sdr> slide thru
| 3B>  4G<  2B>  1G<
| 
| 3G>  4B<  2G>  1B<
sdr> veer left
| 3B>  2B>
| 
| 3G>  2G>
| 
| 4G<  1G<
| 
| 4B<  1B<
sdr> boys fold
|      3G>  3B<       2G>  2B<
| 
| 4B>  4G<       1B>  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> /exit