Reservoir時間からMaardu時間への変換
20:54:20
-7
13:54:20
+0
+0
-1
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
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-2
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-2
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-2
-2
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-2
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-2
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-10