To solve Saule's problem of 10 years to Vanya 15 years of Aygerim 8 years. who is most senior? who is younger? for how many years is more senior? for how many years is younger?

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Vanya is most senior than Aygerim more young than all Vanya is more senior to the Saklya for 5 years and Aygerim for 7 years is more senior than Aygerim more young than Saule for 2 years and the senior is 7 Vanya younger letvanya, Aygerim is the youngest
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