12. Sphere Jaa Sulje 2/19. Exercise 19.36 Avaa lomake 2/19. Exercise 19.37 Avaa lomake 2/19. Exercise 19.38 Avaa lomake 2/19. Exercise 19.39 Avaa lomake 2/19. Exercise 19.40 Avaa lomake 2/19. Exercise 19.44 Avaa lomake
