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New York's main contract, light sweet crude for delivery in March was $1.78 higher at $105.02, and Brent North Sea crude for April delivery gained eight cents to $120.13 in morning trade. "Obviously there's a cheer in Europe over the news in Greece... but Iran is raining on their parade," said Justin Harper, head of research at IG Markets Singapore. "And there's still a long way to go for Europe and Greece, so it's not really time to celebrate yet."