(5, 9) (5, 9) True
(5, 9) (2, 20) True
(5, 9) (18, 21) False
(5, 9) (10, 18) False
(5, 9) (2, 6) True
(2, 20) (5, 9) True
(2, 20) (2, 20) True
(2, 20) (18, 21) True
(2, 20) (10, 18) True
(2, 20) (2, 6) True
(18, 21) (5, 9) False
(18, 21) (2, 20) True
(18, 21) (18, 21) True
(18, 21) (10, 18) True
(18, 21) (2, 6) False
(10, 18) (5, 9) False
(10, 18) (2, 20) True
(10, 18) (18, 21) True
(10, 18) (10, 18) True
(10, 18) (2, 6) False
(2, 6) (5, 9) True
(2, 6) (2, 20) True
(2, 6) (18, 21) False
(2, 6) (10, 18) False
(2, 6) (2, 6) True
5