Imagele there is roughly 1kg.
CL1 Tues <> Thurs to
CL1 Mon,Fri,Sat
CL1 Non TAB
meaning you rate class1 @ 44 kgs Wed
43 kgs Fri
possibly 41 kgs Non TAB
then just make 1.5 kgs between each class except CL1<>CL2 2Kgs >2.5 in Victoria.Take 3 off for S.A,W.A,NZ&2 OFF for Qld