I agree!
The situation in this apartment is increasingly incomprehensible. It looks like the house of Mama (Masha) to where the dear son (Sasha) brought that horrible woman (Dasha) that stole the son to him. In fact, the most cost-effective solution for RLC is to separate them. Masha moves on with whoever she wants, without limitations. Dasha and Sasha would live their life in full. The new apartment could either be a new one or by substitution of other tenants. Masha could get Dick & Jane or even Nelly, no problem. Dasha and Sasha could receive their friends. Who knows, Eva and the bald ...