(9, 20) (9, 20) True
(9, 20) (4, 10) True
(9, 20) (1, 11) True
(9, 20) (9, 20) True
(9, 20) (7, 12) True
(4, 10) (9, 20) True
(4, 10) (4, 10) True
(4, 10) (1, 11) True
(4, 10) (9, 20) True
(4, 10) (7, 12) True
(1, 11) (9, 20) True
(1, 11) (4, 10) True
(1, 11) (1, 11) True
(1, 11) (9, 20) True
(1, 11) (7, 12) True
(9, 20) (9, 20) True
(9, 20) (4, 10) True
(9, 20) (1, 11) True
(9, 20) (9, 20) True
(9, 20) (7, 12) True
(7, 12) (9, 20) True
(7, 12) (4, 10) True
(7, 12) (1, 11) True
(7, 12) (9, 20) True
(7, 12) (7, 12) True
5