maybe sound sources at the top, modulation and utility in the middle and sequencers, mixing output on the bottom row, from left to right - but this is your modular - arrange it how you want it

seriously you have so few modules and so much space it doesn't matter at all - stop worrying about it and play with it - if you find that you want to patch x module to y module constantly consider moving them next to each other - no 3m cables needed - no panic!

"some of the best base-level info to remember can be found in Jim's sigfile" @Lugia

Utility modules are the dull polish that makes the shiny modules actually shine!!!

sound sources < sound modifiers < modulation sources < utilities