Australia were 27 without loss in their second innings at the close, having bowled the home team out for 287 and decided not to enforce the follow-on. David Warner blazed his way to 25 not out while Chris Rogers was unbeaten on one.
               
Johnson took four for 42 and Harris claimed three for 63 after visiting captain Michael Clarke declared their first innings on the overnight score of 494 for seven, leaving himself undefeated on 161.
               
Left-arm paceman Johnson maintained his red-hot form and seamer Harris swung the ball both ways to bamboozle the South African batsmen.
               
"We bowled really well as a team and worked hard to get that ball to go and reverse which was important," Johnson said in a TV interview.
               
"We saw the ball wasn't swinging normally so we tried to rough one side up and thankfully it worked really well.
               
"If you hit the wicket hard there is enough there and there was a little bit of variable bounce as the ball got older. It's a bit like an Adelaide wicket, it will be lbws and bowleds later in the game," added Johnson.
               
Harris removed dangermen Graeme Smith for five, Hashim Amla for 38 and JP Duminy for four.
               
The dismissals of Smith and Duminy were similar, balls that shaped away from the left-handers and found the edge to give wicketkeeper Brad Haddin comfortable catches.

 (Agencies)

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