Hi treeman,
From memory we started, 100 seeds, 72 potted, some undesirables removed reduced it to 60, when those 60 sexed, 10 were chosen as reversing candidates and 16 were chosen as pollination candidates.
We then only used one reverse girl, and pollinated 8 of the 16, including one Mitch's pick and one gbd's pick, for use if we ever make s.hound f3's.
Cheers!