+-----+-----+----+---------------------+---------------------+
| a   | b   | i  | x                   | y                   |
+-----+-----+----+---------------------+---------------------+
| pan | pan | 1  | 0.3467901443380824  | 0.7268028627434533  |
| eks | pan | 2  | 0.7586799647899636  | 0.5221511083334797  |
| wye | wye | 3  | 0.20460330576630303 | 0.33831852551664776 |
| eks | wye | 4  | 0.38139939387114097 | 0.13418874328430463 |
| wye | pan | 5  | 0.5732889198020006  | 0.8636244699032729  |
| zee | pan | 6  | 0.5271261600918548  | 0.49322128674835697 |
| eks | zee | 7  | 0.6117840605678454  | 0.1878849191181694  |
| zee | wye | 8  | 0.5985540091064224  | 0.976181385699006   |
| hat | wye | 9  | 0.03144187646093577 | 0.7495507603507059  |
| pan | wye | 10 | 0.5026260055412137  | 0.9526183602969864  |
+-----+-----+----+---------------------+---------------------+