It was a preview of a first-round playoff game, and if Tuesday night's game is any indication, Carson High's stay in the playoffs will be brief.Spanish Springs scored the final nine points of the game, and held Carson to just three points in the final six minutes to record a 52-35 win in a Division I crossover girls game at Morse Burley Gym.Barring a major miracle, these teams will meet in Carson again on either Feb. 12 or 13, and based on last night the Cougars would be the favorite."I don't think it (the win) gives them an edge," Carson …