exhaustive search
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Log likelihood for best tree = -2219.51
(Aal:0.054390,((Mtr:0.048174,Ttt:0.018190):0.062200,Ese:0.061401):0.037929,(Eco:0.091967,(Meu:0.042443,Dvi:0.107768):0.089076):0.034799);