FWIW, here is what my method came up with for Eagle Farm tomorrow in racebook order:

R1. 4 - 9 - 10
R2. 5 - 10 - 11
R3. 1 - 3 - 10
R4. 1 - 4 - 12
R5. 6 - 13 - 14
R6. 1 - 11 - 16
R7. 2 - 6 - 17
R8. 1 - 8 - 19

Cheers

Privateer