Wektu Manp’o kanggo konversi wektu Kowŏn-ŭp
00:21:11
0
00:21:11
+1
+1
+0
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-1
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-1
-1
-1
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-1
-1
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-1
-1
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-1
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-1
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-1
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-1
-1
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-12
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-12