2 way: 
[18 inds] [1804 donors] [minor ancestry = 0.03] [#generations = 27.61]
 E[r^2] = 0.616 
 Fst = 0.051 
 Rst = 0.060
 see here for plots of Mu, coancestry curves, Fst, log-likelihood trace
2 way: 
[18 inds] [1836 donors] [minor ancestry = 0.03] [#generations = 27.25]
 E[r^2] = 0.614 
 Fst = 0.053 
 Rst = 0.061
 see here for plots of Mu, coancestry curves, Fst, log-likelihood trace
2 way: 
[18 inds] [2944 donors] [minor ancestry = 0.03] [#generations = 23.58]
 E[r^2] = 0.595 
 Fst = 0.051 
 Rst = 0.043
 see here for plots of Mu, coancestry curves, Fst, log-likelihood trace
3 way: 
[18 inds] [2944 donors] [minor ancestry = 0.02] [#generations = 14.49]
 E[r^2] = 0.596 
 Fst = 0.002(1:2) | 0.046(1:3) | 0.054(2:3) 
 Rst = 0.002(1:2) | 0.047(1:3) | 0.045(2:3)
 see here for plots of Mu, coancestry curves, Fst, log-likelihood trace