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
