OSLO (Reuters) – Russian gas delivered through the Yamal-Europe pipeline via Poland was flowing westward into Germany on Tuesday morning, and flows into Slovakia via Ukraine remained at recent high levels, pipeline operator data showed. Westward flows at the Mallnow border point on the Yamal-Europe pipeline resumed from 1800 GMT on Monday and stood at around 11.9 million kilowatt hours (kWh/h) per hour overnight, data from operator Gascade showed. They last slowed to 7.9 million kWh/h, according to the data. Russian energy giant Gazprom has booked 3.1 million cubic metres per hour of gas trans…