(1, 2) (1, 2) True
(1, 2) (3, 9) False
(1, 2) (7, 12) False
(1, 2) (3, 11) False
(1, 2) (1, 11) True
(3, 9) (1, 2) False
(3, 9) (3, 9) True
(3, 9) (7, 12) True
(3, 9) (3, 11) True
(3, 9) (1, 11) True
(7, 12) (1, 2) False
(7, 12) (3, 9) True
(7, 12) (7, 12) True
(7, 12) (3, 11) True
(7, 12) (1, 11) True
(3, 11) (1, 2) False
(3, 11) (3, 9) True
(3, 11) (7, 12) True
(3, 11) (3, 11) True
(3, 11) (1, 11) True
(1, 11) (1, 2) True
(1, 11) (3, 9) True
(1, 11) (7, 12) True
(1, 11) (3, 11) True
(1, 11) (1, 11) True
5