部屋 へや べつ総当 そうあたりでしょう
heyabetsusōatarideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 部屋別総当り

1. Probably by room.; Probably a sweepstakes by room.

Polite
Presumptive
Conjecture
Sumo