This ensures that all 8 input lanes (from 4 belts) are pulled from equally. Each output is not necessarily round-robin on the input belts, but inputs are consumed at identical rates.
13x6
Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
This ensures that all 8 input lanes (from 4 belts) are pulled from equally. Each output is not necessarily round-robin on the input belts, but inputs are consumed at identical rates.
13x6