Лаврентьев по договору социального найма занимал

Lavrentyev under a social tenancy agreement occupied a room of 10.8 square meters. m. in a two-room apartment. After the death of the employer of the next room (14, 5 sq. M.), He took her too.
The head of administration (landlord) and Karpushin, with whom a social hiring agreement was concluded for the vacated area, filed a lawsuit to evict Lavrentyev from the second room. The latter filed a counterclaim recognizing the right to use the disputed area.
In court, it turned out that according to the floor plan of the house, the rooms in the disputed apartment - adjacent and converted into isolated ones were arbitrarily.
What decision should the court make?

After payment you will be available a link to the solution of this problem in the file of MS Word. It should be noted that the problem solutions put up for sale were successfully handed over in the period 2009-2019 and could be outdated. However, the general algorithm will always remain true.