Complex sentence: The 8th Armoured Brigade commanded by Yitzhak Sadeh; the Negev Brigade; the Golani Brigade; the Harel Brigade; and the Alexandroni Brigade whose task was to maintain the siege of the 4,000 strong Egyptian brigade at Faluja.
Split into simpler sentences: The 8th Armoured Brigade commanded by Yitzhak Sadeh; the Negev Brigade; the Golani Brigade; the Harel Brigade; and the Alexandroni Brigade. Their task was to maintain the siege of the 4,000 strong Egyptian brigade at Faluja.