well-rendered n 9 w 1 6 8-s-s 1 5 0-s 7 6 0-s-s-s 1 5 0 7 6 8 0 s scientific data 1 6 6 8 0 h 7 6 6 8 0 polaroid von guerard-6 0 high-c 9 6 1 0-h 5 0 8 7 6 0-s