In the meantime, the shattered remnants of the 4th Panzer Army were still attempting to reach German lines. By 18 January, Nehring and the XXIV Panzer Corps found that their intended route northwards had been blocked, so pulled back to the west, absorbing the remnants of XLII Corps that had escaped encirclement. Much of the remainder of XLII Corps was destroyed after being trapped around Przysucha. Screened by heavy fog, the lead elements of XXIV Panzer Corps reached the Warthe on 22 January, and having linked up with Grossdeutschland Panzer Corps of von Saucken, were finally able to cross the Oder, some from their positions at the start of the Soviet offensive.