CIC should take care of any register fit issues.
Inter-deck drying should take care of any trapping (dry) issues.
If inks have good transparency, then sequence/rotation/order shouldn't matter much.
Are you always going to be in ECG (CMYKOGV) or will you be going in/out, Process to Spots?
What is the ink hose distance and volume from 5 gal plastic pale/bucket on floor to closed doctor blade chamber?
My suggestion/recommendation will be practical for ink waste/color wash time/effort.