the surrounding pieces are cleared, and the center piece is replaced by a silver-star (unless the center piece was already a silver-star, in which case a new silver-star drops from the top). for extra points, use *only one* test case. another 105 r-1s and seven r-2s had been built. the first mass-market book about running, it is considered to have helped start the fitness boom. during the 19 days of the exercise, she steamed . 970-971) with drawings of 105 different types of brushes. in the air force a staff sergeant was a flight sergeant for example. 