x          a   b
0.34679014 pan pan
0.75867996 eks pan
0.20460331 wye wye
0.38139939 eks wye
0.57328892 wye pan
0.52712616 zee pan
0.61178406 eks zee
0.59855401 zee wye
0.03144188 hat wye
0.50262601 pan wye
