selected m=5 k=20 a=5: Fisher 0.21567065919813758 oracle 0.0436374106894531
one observation per donor (m=5, k=1, a=5): Fisher 0.021484375
weaker dependence (m=5, k=20, a=50): Fisher 0.059672930639767155
designs 75 Fisher above nominal 31 oracle at or below nominal 75 independent controls at or below 15 max Fisher 0.75390625