SIOUX FALLS, S.D. (KWSN) - Results from the quarterfinals of classes AA, A, and B.

Class AA:SF Lincoln 41, SF Roosevelt 37Aberdeen Central 61, Sturgis 41SF Washington 52, SF O'Gorman 40

Mitchell 54, RC Central 43

Semi-Finals for 3/8/13:

SF Lincoln vs. Aberdeen Central

SF Washington vs. Mitchell

Class A:

Harrisburg 60, SF Christian 52

Aberdeen Roncalli 47, Clark WIllow Lake 39

West Central 58, Spearfish 44

Pine Ridge 55, Chamberlain 34

Semi-Finals for 3/8/13:

Harrisburg vs. Aberdeen Roncalli

West Central vs. Pine Ridge

Class B:

Warner 63, Timber Lake 43

Sully Buttes 55, Sanborn Central Woonsocket 48

DeSmet 52, Parker 34

Hanson 53, Wall 34

Semi-Finals for 3/8/13:

Warner vs. Sully Buttes

DeSmet vs. Hanson