a = 0 (slider from 0 to 13, step 0.01)
A1 = (4.34, 1.02)
A2 = (0.62, 2.02)
A3 = (2.88, 3.38)
A4 = (5.3, 4.4)
A5 = (6.26, 2.88)
A6 = (5, -0.56)
A7 = (3.2, -1.82)
A8 = (1.8800000000000001, -0.64)
A9 = (-1.24, 1.04)
A10 = (-1.7, 2.66)
B1 = Circle(A1, a)
B2 = Circle(A2, a)
B3 = Circle(A3, a)
B4 = Circle(A4, a)
B5 = Circle(A5, a)
B6 = Circle(A6, a)
B7 = Circle(A7, a)
B8 = Circle(A8, a)
B9 = Circle(A9, a)
B10 = Circle(A10, a)