a     b   i  x          y
**pan pan 1  0.34679014 0.72680286
**eks pan 2  0.75867996 0.52215111
**wye wye 3  0.20460331 0.33831853
**eks wye 4  0.38139939 0.13418874
**wye pan 5  0.57328892 0.86362447
**zee pan 6  0.52712616 0.49322129
**eks zee 7  0.61178406 0.18788492
**zee wye 8  0.59855401 0.97618139
**hat wye 9  0.03144188 0.74955076
**pan wye 10 0.50262601 0.95261836
