Ran your B system from June 2004 to 2/1 2006.
Selections = 3189 all meetings
Win POT loss 26.2%
Place POT loss 19.7%

By the way, Fox Lake doesn't meet your B requirement of no 1st uppers.
Below is what I thought met your systems today.
Hope I'm right.

B SYSTEM

7/01/2006 12:30 Sandown Lakesi 2 1 I Command **
7/01/2006 2:02: Morphettville 4 1 Grace And Power **
7/01/2006 3:50: Sandown Lakesi 7 1 Shades Of Laughter **
7/01/2006 4:14: Gold Coast 6 1 Helter Skelter **
7/01/2006 4:27: Toowoomba 2 1 Clever Cat **
7/01/2006 5:15: Fannie Bay 2 1 Tonsawine **
7/01/2006 6:37: Ascot 7 1 King Wally **

C SYSTEM
7/01/2006 2:10: Randwick 4 1 Old Mystique CS
7/01/2006 3:25: Ascot 2 1 Idyllic Prince CS
7/01/2006 3:30: Randwick 6 1 Turaga CS
7/01/2006 3:41: Doomben 6 1 Daunting Lad CS
7/01/2006 4:05: Ascot 3 1 Hes Smokin CS
7/01/2006 4:14: Gold Coast 6 1 Helter Skelter CS
7/01/2006 4:37: Fannie Bay 1 1 Rattletrap CS
7/01/2006 5:05: Toowoomba 3 1 Sandy Jack CS
7/01/2006 6:17: Esperance 5 1 Bar Screamer CS
7/01/2006 6:25: Fannie Bay 4 1 Gatto Uccello CS
7/01/2006 6:56: Esperance 6 1 Little Fella CS
7/01/2006 7:03: Fannie Bay 5 1 Kappa CS