Sumner High School of East Sullivan already had two titles to its credit this season as it captured the Penobscot Valley Conference Class C competition and the Downeast Athletic Conference event. The Tigers added the Class C North championship to its mantelpiece on Saturday after at the Cross Insurance Center with an exceptional energetic routine performed to precision. Sumner will try to claim its first state Class C crown since 2010 at the state championships at the Augusta Civic Center on Feb.