1: Controller
2: Power Supply
3: Primary Interface
4: Secondary Interface1
5: PreBiased OpAmps1
6: PreBiased OpAmps2
7: PreBiased OpAmps3
8: PreBiased OpAmps4
9: Secondary Interface2
Since the opamps will likely take most layouting and layout repetition, it's nice to have them fully consecutive, but the important part there is that you have all sheets once in a first line-up, so that all schematic numbers also directly match a set of board numbers, so that you can lay-out all "1-suffix" rooms and copy those over to the 2, 3, 4 etc. The Essential part, however, is making sure that this orde…