r = 6 (slider from 0 to 6, step 0.01)
A1 = (3.46, -0.7000000000000001)
A2 = (0.46, -1.68)
A3 = (5.64, 0.02)
A4 = (0.76, 1.6)
A5 = (3.2, 2.04)
A6 = (-2.72, 1.26)
A7 = (-0.8200000000000001, 3.22)
A8 = (1.58, 4.1)
A9 = (4.08, 4.4)
A10 = (6.32, 3)
B1 = Circle(A1, r)
B2 = Circle(A2, r)
B3 = Circle(A3, r)
B4 = Circle(A4, r)
B5 = Circle(A5, r)
B6 = Circle(A6, r)
B7 = Circle(A7, r)
B8 = Circle(A8, r)
B9 = Circle(A9, r)
B10 = Circle(A10, r)