The formula is always Gro-Micro-Bloom.
So yes, for veg it would be 3-2-1, or 3 parts Gro, 2 parts Micro, and 1 part Bloom. 3-2-1... see?
Flowering is 1-2-3, or 1 part Gro, 2 parts Micro, and 3 parts Bloom.
Just remember to always add your Micro to the water first to prevent nutrient lock.