South Africa amassed a total of 423 then crushed Australia's top order in two hours as the visitors slipped to 112 for 4 at stumps on day two of the second cricket test in Port Elizabeth.
Centuries from AB de Villiers and JP Duminy gave the Proteas complete control of the match, but left-armer Wayne Parnell's double-wicket maiden put them in the box seat for a victory that would square the three-test series at 1-1.
Michael Clarke then popped up a simple catch to Dean Elgar in the covers, meaning David Warner (65 not out) faces a mountain of work if his side's to regain equal footing.
