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. 1.
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. 2.
0 . (2 .) 2 . (2 .). 9, 11, 13 . (13, 15, 17, 19 .) 15, 17, 19, 21, 23 . (17, 19, 21, 23, 25, 27 .).
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. 3.
16 . (22 .) 26 . (30 .) , . .
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25 . 34 . ( 33 . 46 .) 39 . 54 . ( 45 . 62 .).
35 . (47 .) 55 . (63 .) 10 . (14 .) 18 . (22 .) (. 5.).
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37, 39, 41, 43 . (49, 51, 53, 55, 57 .) 57, 59, 61, 63, 65, 67 . (65, 67, 69, 71, 73, 75, 77 .) (. 6.).
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