Bhnate Jothiko,

> P.s. dear Dmytro, I stay in a very remote place, a government
> project enabled the Internet, but resourses are scarce...

No problem. I have found the sutta you mentioned in Samyutta Nikaya.
It's quite interesting Bhikkhunupassayasuttaṃ (SN 5.156).

Best wishes, Dmytro