2 way: 
[22 inds] [2388 donors] [minor ancestry = 0.04] [#generations = 16.20]
 E[r^2] = 0.924 
 Fst = 0.123 
 Rst = 0.124
 see here for plots of Mu, coancestry curves, Fst, log-likelihood trace
2 way: 
[22 inds] [2936 donors] [minor ancestry = 0.04] [#generations = 16.06]
 E[r^2] = 0.905 
 Fst = 0.121 
 Rst = 0.124
 see here for plots of Mu, coancestry curves, Fst, log-likelihood trace
3 way: 
[22 inds] [2936 donors] [minor ancestry = 0.04] [#generations = 10.65]
 E[r^2] = 0.677 
 Fst = 0.137(1:2) | 0.007(1:3) | 0.121(2:3) 
 Rst = 0.100(1:2) | 0.004(1:3) | 0.127(2:3)
 see here for plots of Mu, coancestry curves, Fst, log-likelihood trace