a   b   i x          y          j k
pan pan 1 0.34679014 0.72680286 4 7
eks pan 2 0.75867996 0.52215111 4 2
wye wye 3 0.20460331 0.33831853 4 7

a   b   i  x          y          j
eks wye 4  0.38139939 0.13418874 4
wye pan 5  0.57328892 0.86362447 5
zee pan 6  0.52712616 0.49322129 6
eks zee 7  0.61178406 0.18788492 7
zee wye 8  0.59855401 0.97618139 8
hat wye 9  0.03144188 0.74955076 9
pan wye 10 0.50262601 0.95261836 10
