a=pan b=pan i=1 x=0.3467901443380824  y=0.7268028627434533
a=eks b=pan i=2 x=0.7586799647899636  y=0.5221511083334797
a=wye b=wye i=3 x=0.20460330576630303 y=0.33831852551664776
a=eks b=wye i=4 x=0.38139939387114097 y=0.13418874328430463
