1, 2, 3стр1, 3стр2, 4, 4стр1, 5_6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21стр1, 21стр2, 21стр3, 22, 23, 23А