So just ball parking here...
From Murz (RiH) - I believe 16k list attacking Avdiivka since Oct 23?
Let's say from Feb 22 to Oct 23 another 5K lost, conservatively.
From 2015-2022, say 1 K, conservatively.
So at least over 20,000 men and 10 years to capture a ruined, operational Cul-de-sac of 60-70 sq.miles.
Pretty ****ty RoI.
And not even a breakthrough.