A = [[180, 67, 850],
[176, 70, 1002],
[176, 68, 860],
[181, 67, 818],
[177, 68, 860],
[180, 66, 801]]
v=np.array([7,1,4])
A = [[850, 180, 67],
[1002, 176, 70],
[860, 176, 68],
[818, 181, 67],
[860, 177, 68],
[801, 180, 66]]