https://psv4.userapi.com/c856236/u516141315/docs/d11/34b92e2e84ac/zadania_na_KP.doc?extra=krxiDycyQBj2VB9mx2-rE4rBU_Q7W5yebkw5TOtkwuQnhi8--JoCzsIlTkdevWnxSqc6jC-AQe5_TnASw2gUbNXFYl6t7GR_92W3lGbpj7Zr-JfKLMSB8MdCaEmPRXyYoWdWJadeqh7A
По ссылке документ с рисунком.