4.25, 8.5:   5.0, 5   |   8.125, -7.5    |   3.5, -6.75
6.0, 1.25:  15.5, 5.5  |  1.5, -1.25 | 2.5, -9.5625  | -3, -3
8, 1: -2, 5
