About sharpening results of 171
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09:29
36:48
23:34
09:25
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10:14
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10:04
40:36
28:07
12:50
12:14
12:01
14:33
25:25
13:39
11:10
12:51
13:30
13:20
13:44
24:18
11:28
22:40
16:34
14:10
14:09
12:34
14:55
18:40
14:31
31:05
29:24
13:29
18:52
18:53
21:42
35:01
17:28
20:10
16:18
18:01
23:36
22:51
22:31