2 way: 
[13 inds] [2954 donors] [minor ancestry = 0.41] [#generations = 1.22]
 E[r^2] = 0.718 
 Fst = 0.007 
 Rst = 0.003
 see here for plots of Mu, coancestry curves, Fst, log-likelihood trace
 No admixture signal (too few estimated generations). 
3 way: 
[13 inds] [2954 donors] [minor ancestry = 0.03] [#generations = 11.60]
 E[r^2] = 0.586 
 Fst = 0.034(1:2) | 0.015(1:3) | 0.075(2:3) 
 Rst = 0.016(1:2) | 0.007(1:3) | 0.025(2:3)
 see here for plots of Mu, coancestry curves, Fst, log-likelihood trace