April's Rotating Triangles of Doom

Four Person, 12 Clubs

     B
D       C
     A

This is the Alternating Triangles pattern but now we alternate between flips and rotations.
Note: The feeder for each block is across the top in BOLD

          A       B         D       C        B        A        C        D
 A - CSDS BSBS CSSS SSDS BSBS CSDS SSDS CSSS
B - ASAS DSCS SSCS DSSS DSCS ASAS DSSS SSCS
C - BSSS SSAS DSDS BSAS SSAS BSSS BSAS DSDS
D - SSBS ASSS ASBS CSCS ASSS SSBS CSCS ASBS