a   b   i  x                   y                    fg  gf
pan pan 1  0.3467901443380824  0.7268028627434533   9   3
eks pan 2  0.7586799647899636  -0.5221511083334797  36  12
wye wye 3  0.20460330576630303 0.33831852551664776  81  27
eks wye 4  0.38139939387114097 -0.13418874328430463 144 48
wye pan 5  0.5732889198020006  0.8636244699032729   225 75
zee pan 6  0.5271261600918548  -0.49322128674835697 324 108
eks zee 7  0.6117840605678454  0.1878849191181694   441 147
zee wye 8  0.5985540091064224  0.976181385699006    576 192
hat wye 9  0.03144187646093577 -0.7495507603507059  729 243
pan wye 10 0.5026260055412137  0.9526183602969864   900 300
