Complex sentence: The low-alcohol beers can also be found at various grocery stores, and the standard alcohol beers can also be found or, when not included in the local standard assortment, specially ordered at Systembolaget.
Split into simpler sentences: The low-alcohol beers can also be found at various grocery stores. The standard alcohol beers can also be found or, when not included in the local standard assortment, specially ordered at Systembolaget.