Friday night's snowstorm won't be the only example of winter madness to strike Long Island this weekend.

The Nassau hockey league playoffs begin Sunday night, as the Michelino and Liberty Divisions each hold a one-game elimination semifinal round to see which teams reach the best-of-three championship series.

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That means anything could happen.

East Williston-Jericho finished a perfect 15-0 and earned the top seed in the Michelino Division, putting EWJ up against No. 4 Bellmore-Merrick (8-5-1) in the elimination semifinal round. EWJ had to come from behind to beat Bellmore-Merrick in its lone meeting Nov. 26, as Matthew Bernot won it on a goal scored with less than 1:30 to play.

The other Michelino semifinal puts No. 2 Long Beach (13-2) against No. 3 Massapequa (11-3-1). The Marines handled Massapequa, 5-1, in their only meeting this season Jan. 16. In that game, Rob Delury and Chas McAvoy each scored twice for Long Beach, as the Marines outshot Massapequa 43-16.

In the Liberty Division, Lynbrook-East Rockaway and Levittown-Island Trees finished with identical 10-4-1 records, but Lynbrook-East Rockaway earned the tiebreaker and the top seed by beating Levittown-Island Trees 10-7 in the teams' only meeting Dec. 2.

That could prove critical in Sunday night's semifinal, as Lynbrook-East Rockaway draws the fourth seed, Garden City (2-11), while Levittown-Island Trees draws No. 3 Oceanside (7-6-1), the defending Liberty Division champion.