a\tb\ti\tx\ty
pan\tpan\t1\t0.3467901443380824\t0.7268028627434533
eks\tpan\t2\t0.7586799647899636\t0.5221511083334797
wye\twye\t3\t0.20460330576630303\t0.33831852551664776
eks\twye\t4\t0.38139939387114097\t0.13418874328430463
