1991 1991 1.0000 0.0000 ((1 . 1) (3 . 3) (4 . 4) (5 . 5) (7 . 7) (8 . 8) (9 . 9) (10 . 10) (11 . 11) (13 . 13) (14 . 14) (15 . 15)) END