a   b   i x   y
pan pan 1 new 0.7268028627434533
eks pan 2 new 0.5221511083334797
wye wye 3 new 0.33831852551664776
eks wye 4 new 0.13418874328430463
wye pan 5 new 0.8636244699032729
zee pan 6 new 0.49322128674835697
eks zee 7 new 0.1878849191181694
