[[591 756   3]
 [296 669   7]
 [752 560   2]
 [476 474   0]
 [214 459   1]
 [845 349   6]
 [122 145   4]
 [476 125   5]
 [766 110   8]]

[[476 474   0]
 [214 459   1]
 [752 560   2]
 [591 756   3]
 ....and so on]

sortedanswers = sorted(answithcpoints,key=lambda x:x[2])

[array([476, 474,   0]), array([214, 459,   1]), array([752, 560,   2]), array([591, 756,   3]), array([122, 145,   4]), array([476, 125,   5]), array([845, 349,   6]), array([296, 669,   7]), array([766, 110,   8])]