FRIDAY'S FOOTBALL GAMES: NORTHERN SECTION PLAYOFFS: DIVISION II: Sutter 23, Central Valley 12; DIVISION III: Colusa 28, Durham 27; Live Oak at Trinity; SAC-JOAQUIN SECTION: DIVISION III: After the 1st half: Vanden 35, Yuba City 7; DIVISION V Mariposa 34, Lindhurst 0; ALL GAMES BEGIN AT 7 P.M.