[0.5, 0.5] -> 0
[127.33, 44.9] -> 190.011
[259.67, 21.43] -> 52.4431
[12.13, 61.79] -> 0
[89.5, 11] -> 130.327
[128, 128] -> 136.42
[127.255, 128.73] -> 154.74
[-1, -1] -> 0
