About problem-solving results of 10,000
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07:34
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03:53
12:28
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08:49
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03:57
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31:29
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05:39
04:34
03:59
03:08
08:22
17:06
07:52
07:28
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03:01
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15:27
10:00
06:06
42:46
11:18
10:42
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