Our model uses only the tendency of having the same orientation.
seeds GTC GT G cv 91.5 (-) 91.5 (-) 87.0 (-) 14 81.9 (1.0) 80.2 (1.0) 76.2 (1.0) 4 74.4 (0.6) 74.4 (0.6) 65.3 (0.8) 2 75.2 (0.8) 61.9 (0.8) 67.5 (0.5) Littman's results.