((3, 1), (6, 1)):4/9
((4, 1), (6, 1)):1/6
((10, 1),):2/5
((2, 2), (6, 1)):-1/36
((2, 2), (4, 1)):-1/24
((3, 2),):-1/36
((2, 4),):-1/1440
((8, 1),):1/2
((3, 1), (4, 1)):1/6
((12, 1),):1/6
((1, 2), (3, 1)):-1/36
((4, 2),):-1/24
((1, 2), (2, 2)):7/144
((2, 2), (3, 1)):-1/36
((1, 2), (4, 1)):-1/24
((6, 2),):-1/36
((1, 4),):-1/1440
((5, 1),):2/5
((1, 2), (6, 1)):-1/36