Often from a Trade by: outsides Cloverleaf while the centers
Touch 1/4 and then Walk and Dodge. On Walk the Cross Clover,
the outsides Cross Cloverleaf.
If the centers are already in a wave, they simply Hinge and Walk and Dodge.
\sxvLBLs{g4n,b3s,g1n,b4s}
\syhlines{b2e,g3w,b1e,g4w}
before Walk the Clover
after
If the setup is parallel waves, all Extend and then proceed as above.