(2, 5)
(1, 4)
(0, 3)
(0, 3)
(0, 5)
(3, 5)
(0, 2)
(3, 4)
(2, 4)
(1, 2)
(0, 4)
(1, 2)
(2, 4)
(0, 4)
(1, 4)