Thanks Steve, even I cant quite recall how to use this and it was no where near finished.
Each 28 group could be combined with the different 6 groups to make a sheet of 34 unique cards. As well as one sheet of the 21 & 13 groups.
Right table shows the possible combinations to create the different back brand sheets/subsets.
The SC460F25s subset/sheets are made up of:
Group 1A (with Ames) + Group 7
Group 1B (with Dougherty) & Group 7
Group 3 & Group 4
