ab f
ab 0.34679014_0.72680286
ab 0.75867996_0.52215111
ab 0.20460331_0.33831853
ab 0.38139939_0.13418874
ab _0.86362447
ab 0.52712616_0.49322129
ab 0.61178406_0.18788492
ab 0.59855401_
ab 0.03144188_0.74955076
ab 0.50262601_0.95261836
