16 ( 1.0, 1.0 ) ( 2.0, 2.0 ) ( 3.0, 3.0 ) ( 4.0, 4.0 ) ( 5.0, 5.0 ) ( 6.0, 6.0 ) ( 7.0, 7.0 ) ( 8.0, 8.0 ) ( 9.0, 9.0 ) (10.0, 10.0 ) (11.0, 11.0 ) (12.0, 12.0 ) (13.0, 13.0 ) (14.0, 14.0 ) (15.0, 15.0 ) (16.0, 16.0 )