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It will give weird results because it's not possible to entirely substract Amerindian admixture in certain calculators. You may extract east asian percentages accurately in some cases but you will run into weird issues because then it will be hard to separate European ANE from Amerindian one. If then an entire component is removed, and the substraction turned into a 100%, the already combined ANE will increase even more, and the results are from those regions of West Asia and East Europe.
It's the Amerindian side sharing components which are highest in the East of Europe and the Caucasus that skew the results in that direction. Amerindian admixture thus is not able to be accurately reduced to 0%, which makes the results head east as opposed to South Europe.
TL;DR: they appear very east because an eastern admixture can not be accurately substracted. Otherwise by removing the entirety of Amerindian admixture they should cluster around Spain, Italy or Portugal.
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