11. minta:
    2r_i [mm] = 5.17, 5.25, 5.12
    d_2r [mm] = 0.005
    l_i [mm] = 86.34, 86.30, 86.31
    d_l [mm] = 0.0052

19. minta:
    2r_i [mm] = 10.30, 10.14, 10.17
    d_2r [mm] = 0.005