(3, 10) (3, 10) True
(3, 10) (7, 21) True
(3, 10) (15, 21) False
(3, 10) (3, 20) True
(3, 10) (1, 6) True
(7, 21) (3, 10) True
(7, 21) (7, 21) True
(7, 21) (15, 21) True
(7, 21) (3, 20) True
(7, 21) (1, 6) False
(15, 21) (3, 10) False
(15, 21) (7, 21) True
(15, 21) (15, 21) True
(15, 21) (3, 20) True
(15, 21) (1, 6) False
(3, 20) (3, 10) True
(3, 20) (7, 21) True
(3, 20) (15, 21) True
(3, 20) (3, 20) True
(3, 20) (1, 6) True
(1, 6) (3, 10) True
(1, 6) (7, 21) False
(1, 6) (15, 21) False
(1, 6) (3, 20) True
(1, 6) (1, 6) True
5