Here are some results using this idea.
There was only one qualifying race today Musswellbrook Mon 18th July
Won paying $19.00 O/L $9.00

Stalwell trots race 5 2&3 Div $308.00 O/L $9.00
Bankstown trots race 6 1&4 div $59.70 O/L $9.00

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Cheers.