All three Atlantic Hockey first-round series went the full three games, but in the end the higher seeds triumphed. It sure was interesting, though. Battle in the 716 Canisius and Niagara met for the fifth time on Sunday, a record number of times for the Western New York rivals in a single season. And like the previous two postgame meetings between the schools, it was the Golden Griffins that advanced. After dropping Game One 3-2,…