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