. . , . , . . 4.. . 2 . 1: 8 2: 2, 16 3: 2, 24 4: 3- 2 , 32 5: 4- 2, 40 6-11: 12: 8 13: 35 14: 7- , 30 15: 30 16: 6 , 25 17: 5- , 20 18: 4- , 15 . 19: 3- 20: 2- , . 4 1:6 2: 2, 12 3: 2, 16. , . . 3 . .