a=pan,b=pan,i=1,x=0.3467901443380824,y=0.7268028627434533
a=wye,b=wye,i=3,x=0.20460330576630303,y=0.33831852551664776
a=wye,b=pan,i=5,x=0.5732889198020006,y=0.8636244699032729
a=zee,b=wye,i=8,x=0.5985540091064224,y=0.976181385699006
a=hat,b=wye,i=9,x=0.03144187646093577,y=0.7495507603507059
a=pan,b=wye,i=10,x=0.5026260055412137,y=0.9526183602969864
