Ukraine

To me it looks more like "hit hard -> force Russia to commit reserves -> pull back -> hit hard somewhere else -> repeat" to force Russia to constantly shuffle and exhaust its reserves. Once they don't commit reserves, or commit insufficient reserves, just keep going and you have a breakthrough.

Of course, that's just pure speculation, but it would be consistent with their ongoing strategy of trying to spread out and exhaust/attrit Russian forces while conserving their own forces.