x                   z a   b
0.3467901443380824  - pan pan
0.7586799647899636  - eks pan
0.20460330576630303 - -   wye
0.38139939387114097 - eks -
-                   - wye pan
0.5271261600918548  - zee pan
0.6117840605678454  - eks zee
0.5985540091064224  - zee wye
0.03144187646093577 - -   -
0.5026260055412137  - pan wye
