a = 5 (slider from 0 to 10, step 1)
b = 10 (slider from 0 to 20, step 1)
f(t) = a * t + b
A1 = 10
A2 = 11
A3: 2 * A2 - A1
A4: 2 * A3 - A2
A5: 2 * A4 - A3
B2 = 64
B4 = 76
B1 = 60
A: (A1, B1)
B: (A2, B2)
B3 = 70
C: (A3, B3)
D: (A4, B4)
B5 = 80
E: (A5, B5)
Liste1: {A, B, C, D, E}