At the same time, at the headquarters of the Tenth Army Group of Prosen.
After pacing back and forth innumerable times, General Boke looked up and asked the chief of staff, "Has the infantry division not been attacked yet?"
"Yes," the chief of staff replied, "It's possible that the artillery barrage of the infantry division has disrupted Rocossov's deployment."
General William von Frederick of the Sixth Army Group stood up. "Then I won't disturb you any longer in your battle of wits with Rocossov. Looking at the time, my army group's headquarters should have already moved into position; it's time for me to head back."
Prussians occasionally do this; when the follow-up echelon's troops are moving forward, the commanders precede them to the forward echelons' headquarters for a "visit" to get a head start on the frontline situation.
By the time the follow-up echelons' headquarters have moved to the front, the commanders are already completely aware of the situation.