Konwersja czasu Gogrial do czasu Diffa
12:53:32
-1
11:53:32
+7
+7
+7
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+6
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+5
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+4
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+3.5
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+3
+3
+2.5
+2
+1.5
+1
+1
+1
+1
+1
+1
+1
+0
+0
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-1
-1
-1
-1
-1
-1
-1
-2
-2
-5
-5
-5
-5
-6
-7
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-10