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