What do you do with a 25x112-foot lot in the center of a lovely Victoria, B.C., suburb when the town denies you a 5-foot setback variance? You build a very narrow house, of course. Designer Jordan Mills and builder Joe Loiacono gave new meaning to the term "downsizing" with a 62-footlong, 1,100-square-foot, two-story house that's just 10 feet 2 inches wide. The design met all local zoning and code requirements, so there wasn't much the neighbors could do about what some refer to as "the trailer." Mills and Loiacono did need a sympathetic building inspector, however, to pass a requirement that living rooms be 11 feet wide. The inspector kindly let them measure to the back of a